Pregnancy Complications

• Chengdu Women's and Children's Central Hospital — Chengdu, China
• Second Hospital of Jilin University — Jilin City, China
• Nanjing Maternity and Child Health Care Hospital — Nanjing, China
• Shenzhen Bao'an Maternal and Child Health Hospital — Shenzhen, China

Not specified

• Assiut University, woman health hospital — Asyut, Egypt

• University Hospital of Zurich — Zurich, Switzerland

• Hospital Israelita Albert Einstein — São Paulo, Brazil

• Hospital del Niño Dr Federico Gomez Santos — Saltillo, Coahuila, Mexico

• Faculty of Physical Therapy, Cairo University — Giza, Dokki, Egypt

• Philippine General Hospital, University of the Philippines Manila — Taft Avenue, Ermita, Manila, Manila, Philippines

• Jie Yang — Guangzhou, Guangdong, China

• Tolga Hasan Çelik, MD — Ankara, Turkey (Türkiye)
• Tolga Hasan Çelik — Ankara, Turkey (Türkiye)