1. T. Mochizuki, G. Wu, T. Hayashi, D. M. Reynolds, Y. Cai, S. Somlo, Renal Division, Department of Medicine and Molecular Genetics, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, NY 10461, USA.
2. S. L. Xenophontos and C. C. Deltas, Cyprus Institute of Neurology and Genetics, 6 International Airport Avenue, 2012 Agios Dhomentios, Nicosia, Cyprus.
3. B. Veldhuisen, J. J. Saris, M. H. Breuning, D. J. M. Peters, Department of Human Genetics, Sylvius Laboratories, Leiden University, Wassenaarseweg 72, 2333 AL, Leiden, Netherlands.
4. P. A. Gabow, Department of Internal Medicine, Colorado University Health Sciences Center, Denver, CO 80220, USA.
5. A. Pierides, Department of Nephrology, Nicosia General Hospital, 1311 Nicosia, Cyprus.
6. W. J. Kimberling, Departments of Pathology and Otolaryngology, Boys Town National Research Hospital, Omaha, NE 68131, USA.