1. J. Craig Venter Institute, 9605 Medical Center Drive, Rockville, Maryland 20850, United States
2. J. Craig Venter Institute, 4120 Capricorn Lane, La Jolla, California 92037, United States
3. Department of Otolaryngology and Maxillofacial Surgery, University of Zielona Gora, Zielona Gora 65-417, Poland
4. Department of Head and Neck Surgery, Poznan University of Medical Sciences, Greater Poland Cancer Centre, Poznan 61-866, Poland
5. Department of Biology and Environmental Studies, Poznan University of Medical Sciences, Poznan 61-701, Poland
6. College of Medicine, Burnett School of Biomedical Sciences, University of Central Florida, Orlando, Florida 32827, United States