Update paper.md (#373)

Co-authored-by: Zhiyi Wu <zwu@exscientia.ai>

joss_paper/paper.md

@@ -41,6 +41,9 @@ authors:
   - name: Domenico Marson
     orcid: 0000-0003-1839-9868
     affiliation: 7
+  - name: Pascal T. Merz
+    orcid: 0000-0002-7045-8725
+    affiliation: 15
   - name: Alexander Schlaich
     orcid: 0000-0002-4250-363X
     affiliation: 8
@@ -83,6 +86,9 @@ affiliations:
    index: 13
  - name: Differentiated Therapeutics, San Diego, CA
    index: 14
+ - name: PM Scientific Consulting, Basel, Switzerland
+   index: 15
+
 
 date: 31 May 2024
 bibliography: paper.bib
@@ -202,11 +208,11 @@ Institutes of Health (Award No R01GM118772 to O.B., R35GM148236 to
 D.M., K08GM139031 to T.T.J.) and the National Science Foundation (award ACI-1443054 to O.B.). A.S. acknowledges funding by Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany's Excellence Strategy - EXC 2075 – 390740016 and support by the Stuttgart Center for Simulation Science (SimTech).
 The sponsors were not involved in any aspects of the research or the writing of the manuscript.
 
-Shuai Liu, Travis Jensen, Dominik Wille, Mohammad S. Barhaghi, and Pascal Merz contributed code to *alchemlyb*.
+Shuai Liu, Travis Jensen, Dominik Wille, and Mohammad S. Barhaghi contributed code to *alchemlyb*.
 
 # Author contributions
 
-D.L.D., M.R.S., D.M., and O.B. designed the project. Z.W., D.L.D., I.A., B.K.A., J.H., T.T.J., I.M.K., H.L., H.L., V.L., D.M., A.S. contributed to new features. Z.W., D.L.D., O.B. maintained the code base. Z.W., D.L.D., M.R.S, A.S., O.B. wrote the manuscript.
+D.L.D., M.R.S., D.M., and O.B. designed the project. Z.W., D.L.D., I.A., B.K.A., J.H., T.T.J., I.M.K., H.L., H.L., V.L., D.M., P.T.M, A.S. contributed to new features. Z.W., D.L.D., O.B. maintained the code base. Z.W., D.L.D., M.R.S, A.S., O.B. wrote the manuscript.
 
 # References