[1] Yokohama City Univ, Med Ctr, Dept Plast & Reconstruct Surg, Minami Ku, 4-57 Urafune Cho, Yokohama, Kanagawa 2320024, Japan
[2] KO Clin Antiaging, Dept Plast & Aesthet Surg, Naka Ku, 4-54 Onoe Cho, Yokohama, Kanagawa 2310015, Japan
[3] JUN CLIN, Dept Plast Surg Cosmet Surg & Skin Beauty Dermato, 1402 Kita Ishido Cho, Nagano, Nagano 3800826, Japan
[4] Yokohama City Univ, Med Ctr, Dept Breast & Thyroid Surg, Minami Ku, 4-57 Urafune Cho, Yokohama, Kanagawa 2320024, Japan
[5] Kanagawa Childrens Med Ctr, Dept Plast & Reconstruct Surg, Minami Ku, 2-138-4 Mutsukawa, Yokohama, Kanagawa 2328555, Japan
[6] Tokyo Med Univ Hosp, Dept Breast Surg, Shinjyuku Ku, 6-7-1 Nishishinjuku, Tokyo 1600023, Japan
[7] Yokohama City Univ Med, Dept Plast & Reconstruct Surg, Kanazawa Ku, 3-9 Fukuura, Yokohama, Kanagawa 2360004, Japan