Corrigendum: Supplementary Effect of Choline Alfoscerate on Speech Recognition in Patients With Age-Related Hearing Loss: A Prospective Study in 34 Patients (57 Ears) - Na, Gina; Kwak, Sang Hyun; Jang, Seung Hyun; Noh, Hye Eun; Kim, Jungghi; Yang, SeungJoon; Jung, Jinsei (Frontiers in Aging Neuroscience, 2021)