It's a dilemma many working parents face when their children fall ill.

Dr. Yoshiya Yamaguchi, who runs a pediatric clinic in Setagaya Ward, Tokyo, has seen his fair share of parents who can't miss work but don't know who to turn to for help taking care of their children.

So in 2004 he offered them a helping hand by establishing the Chez-Moi day-care center for sick children in the same building as his clinic