Hospital General Universitario "Dr. Gustavo Aldereguía Lima". Cienfuegos

Centro Nacional de Excelencia Tecnológica en Salud de México

Fisterra

IDSA Guidelines

Allergy, Asthma & Clinical Immunology

National Guideline Clearinghouse (NGC)

Sociedad Chilena de Otorrinolaringología

Medspain

Sociedad Española de Pediatría extrahospitalaria y atención primaria

British Society of Audiology

Sociedad Francesa de Otorrinolaringología

American Academy of Otolaryngology-Head and Neck Surgery

ENT UK. British Association of Otorhinolaryngology - Head and Neck Surgery

Société Royale Belge d´ORL et de Chirurgie Cervico-faciale

Academia Mexicana de Cirugía

ENT Today

National Guideline Clearinghouse

American Academy of Audiology

Audiologic Guidelines for the Diagnosis & Management of Tinnitus Patients