The authors regret about the mistake in the BMI values presented in Table 1. Please find the correct table below. Table 1 Characteristics of subjects included in the study [Table presented] BMI: Body mass index, BDL: Bipolar disorder patients treated with lithium, BDN: Bipolar disorder patients treated with other medication except lithium, SCZ: Schizophrenia patients, HC: Healthy control. The authors would like to apologise for any inconvenience caused.