Read more › Trump doubles down: In a series of social media posts around midnight, Mr. Trump defended his decision to send in the National Guard, saying it was “looking really bad in L.A ...

Corresponding author; Department of Orthopaedic Surgery, Tokyo Medical University Ibaraki Medical Center, 3-20-1 Chuo, Ami, Inashiki, Ibaraki 300-0395, Japan. Tel: +81-29-887-1161, Fax: ...