[1] Univ Algarve, Dept Biomed Sci & Med, Faro, Portugal
[2] Charles Univ Prague, Fac Med Plzen, Dept Pathol, Plzen, Czech Republic
[3] Univ Pittsburgh, Sch Med, Dept Pathol, Pittsburgh, PA USA
[4] Univ Barcelona, Hosp Clin, Dept Anat Pathol, Barcelona, Spain
[5] So Calif Permanente Med Grp, Woodland Hills, CA USA
[6] Univ Liverpool, Sch Dent, Oral & Maxillofacial Pathol, Liverpool, Merseyside, England
[7] Liverpool Clin Labs, Cellular Pathol, Liverpool, Merseyside, England
[8] Univ Texas MD Anderson Canc Ctr, Dept Pathol, Houston, TX 77030 USA
[9] Allegiance Hlth, Dept Pathol, Jackson, MI USA
[10] Univ Pathologists, Providence, RI USA
[11] Univ Pathologists, Fall River, MA USA
[12] Johns Hopkins Med Inst, Dept Pathol, Baltimore, MD 21205 USA
[13] Johns Hopkins Med Inst, Dept Otolaryngol Head & Neck Surg, Baltimore, MD 21205 USA
[14] Beth Israel Deaconess Med Ctr, Dept Pathol, New York, NY 10003 USA
[15] Fdn Invest & Innovac Biosanitaria Principado Astu, Oviedo, Spain
[16] Univ Oviedo, Inst Univ Oncol Principado Asturias, Oviedo, Spain
[17] Hosp Univ Cent Asturias, Dept Otolaryngol, Oviedo, Spain
[18] Inst Oncol, Dept Radiat Oncol, Ljubljana, Slovenia
[19] Mem Sloan Kettering Canc Ctr, Head & Neck Surg, 1275 York Ave, New York, NY 10021 USA
[20] St Luc Univ Hosp, Dept Head & Neck Surg, Head & Neck Oncol Program, Brussels, Belgium
[21] King Albert II Canc Inst, Brussels, Belgium
[22] Univ Nottingham Hosp, Queens Med Ctr Campus, Dept Otolaryngol Head & Neck Surg, Nottingham NG7 2UH, England
[23] European Salivary Gland Soc, Geneva, Switzerland
[24] Montefiore Med Ctr, Albert Einstein Coll Med, Dept Surg, Bronx, NY 10467 USA
[25] Albert Einstein Coll Med, Montefiore Med Ctr, Dept Otolaryngol Head & Neck Surg, Bronx, NY 10467 USA
[26] Radboud Univ Nijmegen, Med Ctr, Dept Pathol, NL-6525 ED Nijmegen, Netherlands
[27] Katholieke Univ Leuven, Univ Hosp Leuven, Otorhinolaryngol Head & Neck Surg, Leuven, Belgium
[28] Katholieke Univ Leuven, Univ Hosp Leuven, Dept Oncol, Sect Head & Neck Oncol, Leuven, Belgium
[29] Univ Marburg, Dept Otolaryngol Head & Neck Surg, Marburg, Germany
[30] Univ Oklahoma, Hlth Sci Ctr, Dept Otorhinolaryngol, Oklahoma City, OK USA
[31] So Illinois Univ, Sch Med, Div Otolaryngol Head & Neck Surg, Springfield, IL USA
[32] Banner MD Anderson Canc Ctr, Dept Surg, Gilbert, AZ USA
[33] AC Camargo Canc Ctr, Dept Head & Neck Surg & Otorhinolaryngol, Sao Paulo, Brazil
[34] Univ Med Ctr Utrecht, UMC Utrecht Canc Ctr, Dept Head & Neck Surg Oncol, Utrecht, Netherlands
[35] Univ Florida, Dept Radiat Oncol, Gainesville, FL USA
[36] Rutgers New Jersey Med Sch, Neurol Inst New Jersey, Dept Otolaryngol Head & Neck Surg, Newark, NJ USA
[37] Radboud Univ Nijmegen, Med Ctr, Dept Otolaryngol Head & Neck Surg, NL-6525 ED Nijmegen, Netherlands
[38] Univ Udine, Sch Med, I-33100 Udine, Italy
[39] Coordinator Int Head & Neck Sci Grp, Padua, Italy