1. Pigment Cell Biology Section, Laboratory of Cell Biology, National Cancer Institute, National Institutes of Health (NIH), Bethesda, MD 20892, U.S.A.
2. Fujita Health University School of Health Sciences, Toyoake, Aichi, Japan
3. Department of Biochemistry and Molecular Biology, School of Medicine, University of Murcia, Murcia, Spain
4. Institute of Biochemistry of the Romanian Academy, Bucharest, Romania
5. Department of Veterinary Pathobiology, Texas A&M University, College Station, TX, U.S.A.