CollaborationInternational Collaborations Swiss Federal Institute of TechnologyLaboratory of Organic ChemistryProf. Dr. Renato Zenobi, ETH-Zurich, Switzerland http://www.zenobi.ethz.ch/ Prof. Dr. Chrys Wesdemiotis , The University of Akron, USAhttps://www.uakron.edu/chemistry/faculty-staff/Wesdemiotis.dot Prof. Dr. Manfred Wuhrer, Leiden University, Medical Center, Leiden, Netherlands https://www.lumc.nl/org/proteomics-metabolomics/medewerkers/mwuhrer Prof. Dr. A. Roman Zubarev, Karolinska Institute, Medical Biochemistry and Biophysics, Stockholm, Swedenhttp://ki.se/en/mbb/roman-zubarev-group Prof. Mariia Nesterkina, Odessa National Polytechnic University, Odessa Oblast, UKRAINE https://opu.ua/en Prof. Dr. Gyula Zaray, Eötvös University, Budapest, HUNGARY https://www.mke.org.hu/tagsag/47-tisztujitas-2011/ib-tagok/447-zaray-gyula.html