Perbandingan Efektivitas Terapi Laser Tenaga Rendah dengan Terapi Dry Needling pada Penderita Sindroma Nyeri Miofasial Otot Upper Trapezius: Studi Intervensi = Comparison of Low Level Laser Therapy and Dry Needling Therapy in Subjects with Myofascial Pain Syndrome of The Upper Trapezius Muscle: An Interventional Study