1. Division of Biochemical Pharmacology, Department of Biology, University of Konstanz, Konstanz, Germany.
2. Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Sichuan, P.R. China.
3. Experimental Pathology, Institute of Pathology, University of Bern, Bern, Switzerland.
4. Laboratory of Metabolic Signaling, Institute of Bioengineering, School of Life Sciences, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland.