Pearl Shuang Ye Tong
Pearl Shuang Ye Tong
1Department of Obstetrics and Gynecology, National University Hospital, 11 Mandalay Road, Singapore, 308232 Singapore
1,
Anita Sugam Kale
Anita Sugam Kale
1Department of Obstetrics and Gynecology, National University Hospital, 11 Mandalay Road, Singapore, 308232 Singapore
1,
Kailyn Ng
Kailyn Ng
1Department of Obstetrics and Gynecology, National University Hospital, 11 Mandalay Road, Singapore, 308232 Singapore
1,
Amelia Peiwen Loke
Amelia Peiwen Loke
1Department of Obstetrics and Gynecology, National University Hospital, 11 Mandalay Road, Singapore, 308232 Singapore
1,
Mahesh Arjandas Choolani
Mahesh Arjandas Choolani
1Department of Obstetrics and Gynecology, National University Hospital, 11 Mandalay Road, Singapore, 308232 Singapore
1,
Chin Leong Lim
Chin Leong Lim
2Lee Kong Chian School of Medicine, Nanyang Technological University, 11 Mandalay Road, Singapore, 308232 Singapore
2,
Yiong Huak Chan
Yiong Huak Chan
3Biostatistics Unit, National University of Singapore, Singapore, Republic of Singapore
3,
Yap Seng Chong
Yap Seng Chong
1Department of Obstetrics and Gynecology, National University Hospital, 11 Mandalay Road, Singapore, 308232 Singapore
1,
Paul Anantharajah Tambyah
Paul Anantharajah Tambyah
4Medicine, National University of Singapore, 1E Kent Ridge Road, Level 12, Singapore, 119228 Singapore
4,
Eu-Leong Yong
Eu-Leong Yong
4Medicine, National University of Singapore, 1E Kent Ridge Road, Level 12, Singapore, 119228 Singapore
4,✉
1Department of Obstetrics and Gynecology, National University Hospital, 11 Mandalay Road, Singapore, 308232 Singapore
2Lee Kong Chian School of Medicine, Nanyang Technological University, 11 Mandalay Road, Singapore, 308232 Singapore
3Biostatistics Unit, National University of Singapore, Singapore, Republic of Singapore
4Medicine, National University of Singapore, 1E Kent Ridge Road, Level 12, Singapore, 119228 Singapore
Received 2016 Jan 25; Accepted 2016 Jun 28; Collection date 2016.
© The Author(s). 2016
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