Corrigendum: Bone metastasis in differentiated thyroid cancer: Spanish multicenter study of clinical characteristics, survival and prognostic factors - Suset Dueñas-Disotuar; Ana Piñar-Gutiérrez; Irene de Lara-Rodríguez; Julia Sastre-Marcos; Emma Anda-Apiñániz; Amelia Oleaga-Alday; JC Galofré; Aida Orois; Victoria Alcázar-Lázaro; Laia Martínez-Guasch; Cecilia Sánchez-Ragnarsson; María Ángeles Gálvez-Moreno; et al. (Frontiers in Endocrinology)