1. Assistant Professor Zalika Klemenc-Ketiš, M.D., Ph.D., Medical Faculty Maribor, Taborska 8, 2000 Maribor, Slovenia. Tel.: +386-41-516-067. Fax: +386-590-30-250
2. Department of Family Medicine, Maribor Medical School, 2000 Maribor, Slovenia
3. Department of Family Medicine, Ljubljana Medical School, 1000 Ljubljana, Slovenia
4. Clinical Institute of Medical Genetics, University Medical Center, Ljubljana, Slajmerjeva 3, 1000 Ljubljana, Slovenia