japanese doctorhourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshourshours