1. Department of Otorhinolaryngology, Institute of Clinical Sciences, Sahlgrenska Academy at the University of Gothenburg, Sahlgrenska University Hospital, Gothenburg, Sweden
2. Regenerative Medicine Program, Department of Biomedical Sciences and Medicine, University of Algarve, Campus da Penha, Faro, Portugal
3. Algarve Biomedical Center (ABC), Campus de Gambelas, Faro, Portugal
4. Department of Otorhinolaryngology, Head and Neck Surgery, Centro Hospitalar Universitário do Porto, Porto, Portugal
5. Instituto de Ciências Médicas Abel Salazar, Universidade do Porto, Porto, Portugal
6. Department of Otolaryngology, SUNY Downstate Health Sciences University, Brooklyn, NY, USA