1. Department of Pediatric Orthopedics and Traumatology, Medical University of Bialystok, Białystok, POLAND
2. Department of Medical Chemistry, Medical University of Bialystok, Białystok, POLAND
3. Department of Statistics and Medical Informatics, Medical University of Bialystok, Białystok, POLAND
4. American Medical Holdings Inc., Staten Island, New York
5. School of Pharmacy and Health Professions, Creighton University, Omaha, Nebraska