1. Department
of Pharmaceutical and Medicinal Chemistry, Institute of Pharmaceutical
Sciences, Eberhard Karls Universität Tübingen, Auf
der Morgenstelle 8, 72076 Tübingen, Germany
2. Natural
and Medical Sciences Institute at the University of Tübingen, Markwiesenstrasse
55, 72770 Reutlingen, Germany
3. Novartis Pharma AG, CH-4002 Basel, Switzerland