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diff --git a/Revision/cnrslet.cls b/Revision/cnrslet.cls
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+% chulet.cls -- A Cambridge University Letterhead class for LaTeX
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Simon's Lab Letter Class for 2001
+% Modified by Robert Whittaker for use in DAMTP
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Simon Moore, University of Cambridge, Computer Laboratory
+% Please use freely (it's just a hack!)
+% Source from: http://www.cl.cam.ac.uk/~swm11/letters/index.html
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% Class Options:
+%  usebwarms    - uses a black and white version of the Univ. arms
+%  usecmfont    - uses computer modern font rather than Sabon (works
+%                 better with xdvi
+%  usetimesfont - uses times font rather than Sabon
+%
+%  e.g.:
+%  \documentclass[usecmfont,usebwarms,usetimesfont]{/homes/swm11/texmacros/letters/lablet2001}
+%
+% Compulsory commands:
+%  \fromwhome{title}{your name}{qualifications}{job-title}{email}{phone}{fax}
+%  \towhom{to name}{to address}
+%  \begin{letter}[salutation name]
+%  \end{letter}
+%
+%  The 'to name' is used in address, the optional 'salutation name' is
+%  used in 'Dear ... ,'. In its absence, 'to name' is used there instead.
+%
+% Extra commands:
+%  \lettertitle{title of letter}
+%  \setdate{date string}
+%  \setsigned{greeting}{signature}
+%  \setsalutation{salutation}
+%  \cclist{list of people\\to cc the\\message to}
+%  \enclosures{list of enclosures} 
+%  \reference{reference string}
+
+\ProvidesClass{cnrslet}[2013/07/14]
+
+\typeout{Univeristy of Cambridge Dept of Chemistry letter class by Alex Thom}
+\typeout{Adapted from Churchill College Letter class by Alex Thom}
+\typeout{Adapted from DAMTP Letter class by Robert Whittaker}
+\typeout{Adapted from Simon Moore's Computer Lab Letter Class}
+%\usepackage{showframe}
+%\usepackage{layout}
+%\usepackage{sabon}                % Univ. font is Sabon!
+\renewcommand{\ttdefault}{cmtt}   % but don't use courier for typewriter
+%I'm not sure this has any effect with the sabon package we have in DAMTP
+
+\usepackage{color}
+\usepackage{graphicx}
+\usepackage{fancyhdr}
+\usepackage{marvosym}
+\usepackage{scrextend}
+%\usepackage{tweaklist}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% A few new options (rest are passed through to article class).
+
+
+
+\DeclareOption{usebwarms}{\AtBeginDocument{\bwarms}}
+\DeclareOption{usetimesfont}{\typeout{Replacing Sabon with Times}
+  \AtEndOfClass{\usepackage{times}}}
+\DeclareOption*{\PassOptionsToClass{\CurrentOption}{article}}
+
+\ProcessOptions\relax
+
+\LoadClass[10.75pt,a4paper]{article}
+
+% page layout
+%\pagestyle{plain}
+\setlength{\oddsidemargin}{0mm}
+\setlength{\evensidemargin}{0mm}
+\setlength{\topmargin}{-16mm}
+\setlength{\textwidth}{16cm}
+\setlength{\textheight}{220mm}
+\setlength{\headheight}{25mm}
+\setlength{\footskip}{20mm}
+
+\parskip 10pt
+\parindent 0.0pt
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% main content commands
+\newcommand{\fromtitle}{your title?}
+\newcommand{\fromnamedetails}{Use $\backslash$from to speficfy your name,
+position, email, phone, fax}
+\newcommand{\fromquoldetails}{your qualifications?}
+\newcommand{\fromjobdetails}{your position?}
+\newcommand{\fromemaildetails}{email?}
+\newcommand{\fromphonedetails}{phone?}
+\newcommand{\fromfaxdetails}{fax?}
+\newcommand{\fromwhom}[7]{
+        \renewcommand{\fromtitle}{#1}
+        \renewcommand{\fromnamedetails}{#2}
+        \renewcommand{\fromquoldetails}{#3}
+        \renewcommand{\fromjobdetails}{#4}
+        \renewcommand{\fromemaildetails}{#5}
+        \renewcommand{\fromphonedetails}{#6}
+        \renewcommand{\fromfaxdetails}{#7}
+        }
+
+\newcommand{\towhomaddress}{Use $\backslash$towhom to set the name
+and address}
+\newcommand{\towhomname}{Name?}
+\newcommand{\towhom}[2]{
+        \renewcommand{\towhomname}{#1}
+        \renewcommand{\towhomaddress}{#2}
+}
+
+\newcommand{\salutationname}{Name of recipient}
+
+\newcommand{\referencedetails}{\null}
+\newcommand{\reference}[1]{\renewcommand{\referencedetails}{#1}}
+
+\newcommand{\datedetails}{\today}
+\newcommand{\setdate}[1]{\renewcommand{\datedetails}{#1}}
+
+\newcommand{\salutation}{Dear}
+\newcommand{\setsalutation}[1]{\renewcommand{\salutation}{#1}}
+
+\newcommand{\yoursdetails}{Yours sincerely,}
+\newcommand{\signeddetails}{\fromnamedetails}
+
+\newcommand{\setsigned}[2]{\renewcommand{\yoursdetails}{#1}\renewcommand{\signeddetails}{#2}}
+
+\newcommand{\encldetails}{}
+\newcommand{\enclosures}[1]{\renewcommand{\encldetails}{\vspace*{10em}\textbf{Encl}:~~\begin{minipage}[t]{100mm}#1\end{minipage}}}
+
+\newcommand{\cclistdetails}{}
+\newcommand{\cclist}[1]{\renewcommand{\cclistdetails}{\vspace*{1em}cc:~~\begin{minipage}[t]{100mm}#1\end{minipage}}}
+
+\newcommand{\cuarms}{\includegraphics[width=30mm]{cnrs}} %65mm from UC style guidelines v5
+%\newcommand{\bwarms}{\typeout{Using B&W version of the arms}\renewcommand{\cuarms}{\includegraphics{BWUni3}}}
+%\newcommand{\cuarms}{\includegraphics{CUni3}}
+%\newcommand{\bwarms}{\typeout{Using B&W version of the arms}\renewcommand{\cuarms}{\includegraphics{BWUni3}}}
+
+\newcommand{\dostamp}{}
+\newcommand{\stamp}[1]{\renewcommand{\dostamp}{#1}}
+
+\newcommand{\DeptHead}{\fontsize{14pt}{14pt}}
+
+\renewcommand{\headrulewidth}{0pt}
+\newcommand{\lettertitle}[1]{\begin{center}\bf#1\end{center}}
+\fancypagestyle{firststyle}
+{
+\fancyhf[HL]{%
+\setlength{\unitlength}{1mm}%
+\begin{picture}(70,0)(0,0)
+\put(-13,-1){\makebox(66,20)[tl]{\cuarms}}%14mm from top and 12mm from left
+\put(1,-1){\makebox(52,5)[tl]{\DeptHead}}
+\end{picture}}
+\fancyhf[HR]{%
+\begin{flushright}{\bf\fromtitle~\fromnamedetails~\fromquoldetails}\\{\it\fromjobdetails}\end{flushright}}
+%\fancyhf[FR]{\vspace{-35mm}\swmfoot}
+}
+\pagestyle{fancyplain}
+
+
+
+\newcommand{\dolettertop}{%
+\thispagestyle{firststyle}%
+\begin{flushright}
+\swmfoot
+\end{flushright}
+\makeatletter
+\ifx\towhomname\@empty
+\setlength{\unitlength}{1mm}
+%\begin{picture}(160,80)(0,0)
+\begin{picture}(190,35)(0,0)
+%\put(95,60){\makebox(75,25)[tl]{\parbox{75mm}{\begin{flushright}{\bf\fromtitle~\fromnamedetails~\fromquoldetails}\\{\it\fromjobdetails}\\\fromphonedetails\\\fromemaildetails\end{flushright}}
+%}}
+\put(0,10){\makebox(100,25)[tl]{\begin{tabular}{@{}p{90mm}@{}}\towhomname\\\towhomaddress\end{tabular}}}
+\put(0,40){\makebox(160,00)[tr]{\dostamp}}
+\end{picture}
+\else
+\fi
+\hfill\referencedetails \\
+\datedetails
+
+\salutation\ \salutationname,\\
+%\enlargethispage{-25mm}%
+%\begin{figure}[b!]\swmfoot\end{figure}
+\makeatother
+}
+
+
+\renewcommand{\footnoterule}{}
+\renewcommand{\thefootnote}{}
+
+\newcommand{\swmfoot}{\fontsize{9pt}{10pt}\rm\hfill\begin{tabular}{@{}r@{~~}r@{ }r@{}}
+ & & \\
+\multicolumn{2}{@{}r@{}}{Centre National de la Recherche Scientifique}\\
+\multicolumn{2}{@{}r@{}}{Universit\'e Toulouse III, Paul Sabatier}\\
+\multicolumn{2}{@{}r@{}}{Bat.~3R1b4, 118 route de Narbonne}\\
+\multicolumn{2}{@{}r@{}}{31062 Toulouse Cedex 09}\\
+\multicolumn{2}{@{}r@{}}{France}\\
+ & \\
+ & \fromphonedetails\\
+ & \fromemaildetails\\
+\end{tabular}
+}
+
+
+\newcommand{\doletterbottom}{
+{
+%\centering
+\begin{addmargin}[3em]{0em}
+\yoursdetails
+
+%\hspace{-2.5em}\includegraphics[scale=0.3, trim={0cm 1cm 0cm 0cm}, clip]{HGAB}
+
+
+\signeddetails
+
+\encldetails
+
+\cclistdetails
+\end{addmargin}
+
+}
+\cleardoublepage}
+
+\newenvironment{letter}[1]
+  {\renewcommand{\salutationname}{#1}%
+   \dolettertop}
+  {\doletterbottom}
+
+\def\opening#1{\ifx\@empty\fromaddress
+ \thispagestyle{firstpage}
+ \hspace*{\longindendation}\today\par
+ \else \thispagestyle{empty}
+ {\centering\fromaddress \vspace{5\parskip} \\
+\today\hspace*{\fill}\par}
+ \fi
+ \vspace{3\parskip}
+ {\raggedright \toname \\ \toaddress \par}\vspace{3\parskip}
+ \noindent #1\par\raggedright\parindent 5ex\par
+ }
diff --git a/Revision/response_letter.tex b/Revision/response_letter.tex
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--- /dev/null
+++ b/Revision/response_letter.tex
@@ -0,0 +1,178 @@
+\documentclass[10pt]{cnrslet}
+\usepackage{xcolor,mhchem,mathpazo,ragged2e}
+\usepackage[utf8]{inputenc}
+\usepackage[T1]{fontenc}
+\usepackage{txfonts}
+\usepackage{url}
+\newcommand{\alert}[1]{\textcolor{red}{#1}}
+\usepackage[UKenglish]{datetime}
+
+% Formal environment
+\usepackage[strict]{changepage}
+\definecolor{darkblue}{rgb}{0.0, 0.0, 0.55}
+\definecolor{formalshade}{rgb}{0.95,0.95,1}
+\usepackage{framed}
+\newcommand{\ajwt}[1]{{\color{red}{#1}}}
+\newenvironment{formal}{%
+  \def\FrameCommand{%
+    {\color{darkblue}\vrule width 2pt}%
+    {\color{formalshade}\vrule width 4pt}%
+    \colorbox{formalshade}%
+  }%
+  \MakeFramed{\advance\hsize-\width\FrameRestore}%
+  \noindent\hspace{-4.55pt}% disable indenting first paragraph
+  \begin{adjustwidth}{}{7pt}%
+  \vspace{-4pt}%
+}
+{%
+  \vspace{4pt}\end{adjustwidth}\endMakeFramed%
+  \vspace{-8pt}
+}
+
+
+
+% Paper specifics
+\newcommand{\journal}{the Journal of Chemical Physics}
+\newcommand{\papertitle}{Stochastically accelerated perturbative triples correction in coupled cluster calculations}
+
+\begin{document}
+
+\newdateformat{UKvardate}{%
+\THEDAY\ \monthname[\THEMONTH], \THEYEAR}
+\UKvardate\renewcommand{\headrulewidth}{0pt}
+
+\fromwhom{}{Anthony Scemama}{}{Laboratoire de Chimie et Physique Quantiques (UMR5626)}{scemama@irsamc.ups-tlse.fr}{+33 5 6155 7339}{}
+\setsalutation{To}
+\renewcommand{\yoursdetails}{Yours sincerely, the authors}
+
+\begin{letter}%
+{the Editors of \textit{\journal}}
+
+%\opening{Dear Editors,}
+
+\vspace{-1em}
+\justifying
+Please find attached a manuscript entitled
+\vspace{-1.25em}
+\begin{center}
+\textbf{\papertitle{}}
+\end{center}
+\vspace{-1.25em}
+that we recently submitted as an \underline{Invited Article} to the \textit{\journal}.
+We thank the reviewers for their constructive comments and for supporting publication of the present manuscript.
+Our detailed responses to their comments can be found below.
+For convenience, changes are highlighted in red in the revised version of the manuscript. We look forward to hearing from you.
+
+\end{letter}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\clearpage
+{\large \bf Response to Reviewer 1:}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+
+In this paper, calculation of the perturbative triples correction, usually
+abbreviated as (T), is considered. It is well-known that the cost of CCSD(T)
+calculations for large systems is frequently dominated by the (T) component.
+This is due to the $N^7$ scaling of the computational costs, higher than the $N^6$
+of the preceding CCSD iterations. Taking into account that the use of CCSD(T)
+is widespread nowadays, new approaches to evaluation of the (T) corrections are
+welcomed. The authors propose a novel method based on the stochastic sampling
+of the triplets of virtual orbitals. The samples are drawn according to a
+probability distribution (importance sampling) suggested in the manuscript
+which approximately describes the importance of each triplet for the final
+result. While the same triplet can be randomized several times during the Monte
+Carlo procedure, a memorization algorithm is introduced to avoid unnecessary
+recalculation. As a result, the stochastic algorithm has a small overhead
+compared with the conventional implementation and converges to the exact result
+in the limit of infinite number of samples.
+
+The paper is well-written, the numerical results are comprehensive and convincing and hence I recommend the paper to be published. However, I have a few minor suggestions which the authors may consider and revise their paper -- they are listed below.
+
+\begin{formal}
+We thank the reviewer for his/her support and remarks. His/her comments are addressed below.
+\end{formal}
+
+
+1. The authors focus primarily on the calculations of the total (T) correction
+rather than the energy differences. However, the latter are of main importance
+in most applications. The example of CuCl can be seen as involving energy
+differences (along the potential energy curve), but the they are quite large in
+comparison with, e.g. hydrogen bond strengths, dispersion forces, etc. It is
+clear that when errors in the total energies do not exceed, say, $\sigma$,
+relative energies must be accurate to within $2\sigma$ (in the worst-case
+scenario). However, most quantum-chemical methods benefit from significant
+error cancellation when energy differences are evaluated. Are there any
+prospects of carrying out the sampling in a way that would be, in some sense,
+systematic for, e.g. a water dimer and water molecule in the basis set of the
+dimer (the same number of basis set functions)?
+
+\begin{formal}
+This is indeed a very interesting suggestion! It is sure that modifying the
+algorithm to compute directly energy differences would be a major improvement
+of the presented algorithm. But it is not straightforward for the general case
+as it necessitates finding an efficient importance sampling function.
+As the reviewer suggests, computing the energy difference between two systems
+with the same number of orbitals, and where the orbitals can be identified as
+equivalent seems like a relatively simple first test to see the potential benefits
+of the method.
+\end{formal}
+
+2. The probability distribution in Eq. (7) is defined with a "threshold" for small energy differences. Alternatively, one can view this threshold a continuous parameter that "interpolates" between the uniform sampling ($e_{min} \rightarrow \infty$) and sampling based on the pure denominator (which may be unphysically small). This threshold is set to 0.2 au. Is there a justification of adopting this particular value? Are the results sensitive to this parameter (when changed within reasonable bounds)?
+
+\begin{formal}
+Along the dissociation curve of CuCl we have observed, with
+$\epsilon_\text{min}=0$, a slow convergence of the points at the largest
+distances. This was due to the quasi-degeneracies of the orbital energies that made
+$1/\Delta \epsilon$ diverge. We have empirically taken a value for
+$\epsilon_\text{min}$ that did not change the speed of convergence of the
+points with short distances, and that also enabled a similar convergence on the
+problematic ones.
+A sentence was added:
+\begin{quote}
+The algorithm is not very sensitive to the value of $\epsilon_{\min}$ as long as it   is taken within reasonable bounds, in the range of the level-shift parameter in SCF            calculations.
+\end{quote}
+\end{formal}
+
+3. Several typos/omissions:
+- the CCSD method should probably be cited along with (T);
+\begin{formal}
+Thank you.We have now added the citation for the CCSD method. 
+\end{formal}
+
+- first paragraph on page 3: typo in "memorization";
+\begin{formal}
+This is not a typo. It is really \emph{memoization}: \url{https://en.wikipedia.org/wiki/Memoization}.
+\end{formal}
+
+- below Eq. (5): Coulomb (capital letter);
+\begin{formal}
+Thank you, this typo was fixed.
+\end{formal}
+
+
+%%%
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+{\large \bf Response to Reviewer 2:}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+This is an excellent manuscript on combining explicit coupled cluster (CCSD) and stochastic perturbational triples to speed-up CC correlated wave function calculations. Very straightforward and "obvious" idea (in fact, a number of such techniques is used in purely stochastic codes). It should be effective since sampling and corresponding weights takes care of triples contribution with known error bars.
+
+Indeed, the results are solid, for example, an order of magnitude speed-up that is benchmarked against fully explicit calculations. The resource analysis shows for which situations this can be effective.
+
+I did not catch any obvious mistakes or shortcomings. The work is very well described and the narrative has the right level of important details.
+
+In fact, the results suggest that there might be other explicit-and-stochastic algorithms possible with further reduction in run times. This implies that there is a potential for a solid impact in future.
+
+I recommend publishing in JCP.
+
+
+\begin{formal}
+We thank the reviewer for his/her support!
+\end{formal}
+
+
+
+\end{document}