“…Second, the authors mentioned that TCB readings were done using the BiliChek device (APEL, Japan) three times in the middle of the neonate's forehead (1). It is explicit that there are many different TCB meters in clinical settings to estimate TCB and different agreements of TCB measurement with each other and TSB have been noticed (2,3). Third, Iran is a multi-ethnic nation with various ethnic groups including Persians, Lurs, Kurds, Arabs, Baluchs, Turkmens, and Turkic tribes.…”