Jürgen Popp is Professor at the Friedrich-Schiller-University Jena where he is Director of the Institute of Physical Chemistry. He is also Director of the Institute of Physical High Technology (IPHT) Jena. In the German National Research Network on biophotonics he serves as the speaker. Professor Bauer is the chair of the Integrated Research and Treatment Center for Sepsis at the Friedrich Schiller University Jena. Prof. Bauer graduated from the medical school of the Saarland in 1990 before moving to the Johns Hopkins Hospital for 2 years. Since 2003 he is full professor at the University of Jena.