Cfrgtkky

See the template below. The affiliation looks like footnote integrated into text (actually, this is literally the saying in the journal format document).

The following somewhat replicates the template you're showing. It's not automated, but that can be done if needed.

documentclass[10pt]{article}



usepackage{geometry,sectsty,etoolbox}

usepackage{newtxtext,newtxmath}

geometry{

  margin = 1in,

  twocolumn

}



sectionfont{normalfontlargescshapecentering}

renewcommand{thesection}{Roman{section}}

subsectionfont{normalfontnormalsizeitshape}

renewcommand{thesubsection}{Alph{subsection}}



makeatletter

renewcommand{@seccntformat}[1]{csname the#1endcsname.space}

patchcmd{@maketitle}% <cmd>

  {vskip 1em{large @date}}% <search>

  {}% <replace>

  {}{}% <success><failure>

makeatother



renewenvironment{abstract}

  {partextbf{itshape Abstract}---ignorespaces}

  {parmedskip}

newenvironment{keywords}

  {partextbf{itshape Keywords}---ignorespaces}

  {parmedskip}



title{Preparation of Papers - Paper Title}

author{%

  AuthorName Lastname%

  rlap{textsuperscript{1}},

  AuthorName Lastname%

  rlap{textsuperscript{2}},

  AuthorName Lastname%

  rlap{textsuperscript{3}}%

}



usepackage{lipsum}



begin{document}



twocolumn[maketitle]



footnotetext[1]{AuthorName Lastname is with the National Institute of Standards and Technology,

  Boulder, CO 80305 USA (correspondence author's phone: XXX-XXX-XXXX; email: who@cares.com}

footnotetext[2]{AuthorName Lastname was with Rice University, Houston, TX 77005 USA.

  He is now with the Department of Physics, Colorado State University, Fort Collins,

  CO 80523 USA (email: who@cares.com)}

footnotetext[3]{AuthorName Lastname is with the Electrical Engineering Department, University

  of Colorado, Boulder, CO 80309 USA, on leave from the National Research Institute

  for Metals, Tsukuba, Japan (email: who@cares.com)}



begin{abstract}

  lipsum*[2]

end{abstract}



begin{keywords}

  About four key words or phrases in alphabetical order, separated by commas.

end{keywords}



sloppy% Just for this example

section{Introduction}

lipsum[1]



section{Procedure for Paper Submission}

lipsum[2]

subsection{Review Stage}

lipsum[3]

subsection{Figures}

lipsum[4]

subsection{Document Modification}

lipsum[5]

subsection{Copyright Form}

lipsum[6]



section{Math}

lipsum[7]



section{Units}

lipsum[8]



end{document}