This article has been retracted at the request of all authors. This original article is a duplicated article which was previously published in Rigakuryouhoukagaku (Y. Nanba et al., Rigakuryouhoukagaku 29 (5): 799-803). In accordance with policies and procedures governing academic publication we concluded that the above-mentioned article published in J. Phys. Ther. Sci. be retracted. We apologize to readers of the journal that this was not detected during the submission and reviewing process.
This article has been retracted at the request of all authors. This original article is a duplicated article which was previously published in Rigakuryouhoukagaku (Y. Nanba et al., Rigakuryouhoukagaku 29 (5): 799-803). In accordance with policies and procedures governing academic publication we concluded that the above-mentioned article published in J. Phys. Ther. Sci. be retracted. We apologize to readers of the journal that this was not detected during the submission and reviewing process.