About the Authors

Sharon D. Stoker

Affiliation Department of head and neck oncology and Surgery, The Netherlands Cancer Institute, Amsterdam, The Netherlands

Maarten A. Wildeman

Affiliations Department of head and neck oncology and Surgery, The Netherlands Cancer Institute, Amsterdam, The Netherlands, Department of otorhinolaryngology, Academic Medical Centre, Amsterdam, the Netherlands

Renske Fles

Affiliation Department of head and neck oncology and Surgery, The Netherlands Cancer Institute, Amsterdam, The Netherlands

Sagung R. Indrasari

Affiliation Department of otorhinolaryngology, Dr Sardjito General Hospital/Faculty of Medicine Universitas Gadjah Mada, Yogyakarta, Indonesia

Camelia Herdini

Affiliation Department of otorhinolaryngology, Dr Sardjito General Hospital/Faculty of Medicine Universitas Gadjah Mada, Yogyakarta, Indonesia

Pieter L. Wildeman

Affiliation ValueCare BV, Utrecht, The Netherlands

Judi N. A. van Diessen

Affiliation Department of radiation and oncology, The Netherlands Cancer Institute, Amsterdam, The Netherlands

Maesadji Tjokronagoro

Affiliation Department of radiotherapy, Dr Sardjito General Hospital/Faculty of Medicine, Universitas Gadjah Mada, Yogyakarta, Indonesia

I. Bing Tan

i.tan@nki.nl

Affiliations Department of head and neck oncology and Surgery, The Netherlands Cancer Institute, Amsterdam, The Netherlands, Department of otorhinolaryngology, Academic Medical Centre, Amsterdam, the Netherlands, Department of oral and maxillofacial surgery, Academic Medical Centre, Amsterdam, the Netherlands

Competing Interests

Co-author P. Wildeman is affiliated to ValueCare BV, an auditing company. There are no patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: SS MW MT IBT. Performed the experiments: SS SI CH. Analyzed the data: SS MW RF PW JvD IBT. Contributed reagents/materials/analysis tools: SS. Wrote the paper: SS MW PW JvD IBT. Gave their critical vision on the text manuscript: RF SI CH MT.