Intraoperative indocyanine green (ICG) angiography of the parathyroids glands in prediction of post-thyroidectomy hypocalcemia: Diagnostic accuracy of the ICG score 2 versus the 4-ICG score Pablo Moreno Llorente; Arantxa García Barrasa; José Manuel Francos Martínez; Marta Alberich Prats; Mireia Pascua Solé;