This article refers to:
Borumand M, Sibilla S. Clin Interv Aging. 2014;9:1747–1758.
The authors noticed a mistake in their paper which was overlooked during the revision process of the paper.
On page 1749, 3rd line of paragraph 15 of the introduction, the sentence “… hydrolyzed collagen type I obtained from the cartilage of fish …” should read “… hydrolyzed collagen type I obtained from fish skin …”.