japanese doctorhourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshours