Identify second medical areas by size indicators（規模指標による二次医療圏の検索。北海道～関東。）
Number of hospitals（病院数）: From To
Number of beds (only general)（病床数（一般））: From To
Number of beds (including psychiatry)（病床数（精神病床含む））: From To
Number of doctors（医師数）: From To