Division of Neurology;
Department of Internal Medicine;
St Marianna University School of Medicine;
Kawasaki;
Japan;
Hotta Clinic;
Shizuoka;
Japan;
Suzuki Osteopathic Clinic;
Shizuoka;
Japan;
Department of Neurology;
Japanese Red Cross Shizuoka Hospital;
Shizuoka;
Japan;
Chronic; Migraine; Oscillating; Mechanical; Stimulation; Drug; Resistance; Nondrug; Treatment; Neuromodulatory; Effect;