1. Medical‐Surgical Dentistry Research Group (OMEQUI) Health Research Institute of Santiago de Compostela (IDIS) University of Santiago de Compostela (USC) Santiago de Compostela Spain
2. EOXI Lugo‐Monforte‐Cervo Galician Health Service (SERGAS) Chantada Spain
3. EOXI Pontevedra‐Salnés Galician Health Service (SERGAS) Pontevedra Spain