[1] Kaohsiung Vet Gen Hosp, Dept Neurosurg, Kaohsiung, Taiwan
[2] Kaohsiung Med Univ, Grad Inst Med, Coll Med, Kaohsiung, Taiwan
[3] Kaohsiung Med Univ, Kaohsiung Med Univ Hosp, Dept Dermatol, Kaohsiung, Taiwan
[4] Kaohsiung Med Univ, Coll Pharm, Sch Pharm, Kaohsiung, Taiwan
[5] Kaohsiung Med Univ Hosp, Dept Pathol, Kaohsiung, Taiwan
[6] Kaohsiung Med Univ, Coll Med, Sch Med, Dept Pathol, Kaohsiung, Taiwan
[7] Kaohsiung Med Univ Hosp, Dept Surg, Div Neurosurg, Kaohsiung, Taiwan
[8] Kaohsiung Med Univ, Coll Med, Sch Med, Dept Surg, Kaohsiung, Taiwan
[9] Univ Virginia, Dept Neurosurg, Charlottesville, VA USA
[10] Kaohsiung Med Univ, Kaohsiung Med Univ Hosp, Dept Surg, Div Neurosurg, 100 Tzyou 1st Rd, Kaohsiung 807, Taiwan