Why shouldn't children sit in a W-shaped position?

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Choose a location for your examination at Tam Anh General Hospital, Hanoi, 108 Hoang Nhu Tiep Street, Bo De Ward, Long Bien District, Hanoi
Hotline - 1800 6858 Tam Anh General Hospital, Ho Chi Minh City , 2B Pho Quang Street, Ward 2, Tan Binh District, Ho Chi Minh City
Hotline - 0287 102 6789

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