[1] Department of Molecular Biotechnology,
[2] University of Washington,undefined
[3] Box 357730,undefined
[4] Seattle,undefined
[5] WA 98195,undefined
[6] USA,undefined
[7] Institute of Biochemical Sciences,undefined
[8] National Taiwan University,undefined
[9] Box 23-106,undefined
[10] Taipei,undefined
[11] Taiwan,undefined
[12] Republic of China,undefined