The most frequently reported laboratory findings were thrombocytopenia (n = 10) [15, 17, 18, 22, 24, 27], lymphopenia (n = 9) [15, 17, 22, 24, 25, 27], elevated alanine aminotransferase (n = 8) [18, 22–24, 27] and leukopenia (n = 7) [15, 17, 22, 26, 27]. The gene discussed is GPT; the disease is lymphopenia.