1. Jožef Stefan Institute, Department of Biotechnology, 1000 Ljubljana, Slovenia
2. The Jane and Jerry Weintraub Center for Reconstructive Biotechnology, Division of Oral Biology and Medicine, UCLA School of Dentistry, University of California-Los Angeles, Los Angeles, CA, USA
3. University of Ljubljana, Faculty of Pharmacy, 1000 Ljubljana, Slovenia
4. The Jonsson Comprehensive Cancer Center, UCLA School of Dentistry and Medicine, University of California-Los Angeles, Los Angeles, CA, USA