1. Department of Otolaryngology, Head & Neck Surgery, University of Southern California, Los Angeles, California, USA
2. Department of Biochemistry and Molecular Biology, Norris Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
3. Norris Medical Library, University of Southern California, Los Angeles, California, USA
4. Centre of New Technologies, University of Warsaw, Warsaw, Poland