Measures of adult and juvenile dermatomyositis, polymyositis, and inclusion body myositis: Physician and Patient/Parent Global Activity, Manual Muscle Testing (MMT), Health Assessment Questionnaire (HAQ)/Childhood Health Assessment Questionnaire (C-HAQ), Childhood Myositis Assessment Scale (CMAS), Myositis Disease Activity Assessment Tool (MDAAT), Disease Activity Score (DAS), Short Form 36 (SF-36), Child Health Questionnaire (CHQ), physician global damage, Myositis Damage Index (MDI), Quantita

成人和青少年皮肌炎、多发性肌炎和包涵体肌炎的评估方法：医生和患者/家长总体活动度评估、徒手肌力测试 (MMT)、健康评估问卷 (HAQ)/儿童健康评估问卷 (C-HAQ)、儿童肌炎评估量表 (CMAS)、肌炎疾病活动度评估工具 (MDAAT)、疾病活动度评分 (DAS)、简明健康调查问卷 (SF-36)、儿童健康问卷 (CHQ)、医生总体损伤评估、肌炎损伤指数 (MDI)、定量