Although this patient was classified as having GSD VI by the authors, the information on enzyme analyses suggests that the patient suffered from GSD IX (low levels of phosphorylase-B-kinase in the liver (9.98 IU/g; normal range: 90 +/− 10), muscle (32 IU/g; normal range: 101 +/− 29) and erythrocytes (0 IU/g; normal range: 5 +/− 26.6)) [19]. Here, NEK3 is linked to disorder of glycogen metabolism.