Corrigendum: CGRP Regulates the Age-Related Switch Between Osteoblast and Adipocyte Differentiation - Li, Hang; Qu, Jian; Zhu, Haihong; Wang, Jiaojiao; He, Hao; Xie, Xinyan; Wu, Ren; Lu, Qiong (Frontiers in Cell and Developmental Biology, 2021)