In addition to the above mentioned items, some important factors such as the number of the autopsies done at the time of sampling, the number of the tables used in the autopsy room and the putrefaction level of corpse(s) that have been undergone autopsy (mild putrefaction: non-diffuse localized color changes on the skin; moderate putrefaction e.g. green skin color, localized bullous changes on the skin, epidermolysis; severe putrefaction e.g. green-black skin color, diffuse epidermolysis, diffuse bullous formation, wormy corpse) were kept in records at the time of sampling done during the autopsy.