A senior official of Japan's biggest physicians lobby arrived in North Korea by air on Saturday, with an eye to providing future medical aid to the country believed to be facing serious health care challenges.Mitsuaki Maseki, chairman of the Japan Medical Association's house of delegates, is expected to visit hospitals in North Korea, along with seven former Japanese lawmakers, sources familiar with their itinerary said.It is the first time for Japan's largest professional organization for physicians to send its senior official to North Korea to offer medical aid, according to Maseki. The v…READ FULL ARTICLE