Normal range of myocardial layer-specific strain using two-dimensional speckle tracking echocardiography

• Yasufumi Nagata ,

  * E-mail: nyasufumi1979@yahoo.co.jp

  Affiliation Second Department of Internal Medicine, University of Occupational and Environmental Health, School of Medicine, Kitakyushu, Japan

  http://orcid.org/0000-0001-5481-7524

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• Victor Chien-Chia Wu,

  Affiliation Department of Cardiology, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taipei, Taiwan

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• Yutaka Otsuji,

  Affiliation Second Department of Internal Medicine, University of Occupational and Environmental Health, School of Medicine, Kitakyushu, Japan

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• Masaaki Takeuchi

  Affiliation Department of Laboratory and Transfusion Medicine, University of Occupational and Environmental Health, School of Medicine, Kitakyushu, Japan

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