Comparison between 20 and 30 meters in walkway length affecting the 6-minute walk test in patients with chronic obstructive pulmonary disease: A randomized crossover study

• Narongkorn Saiphoklang ,

  Roles Conceptualization, Formal analysis, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Visualization, Writing – review & editing

  * E-mail: m_narongkorn@hotmail.com

  Affiliations Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Faculty of Medicine, Thammasat University, Pathum Thani, Thailand, Medical Diagnostics Unit, Thammasat University Hospital, Pathum Thani, Thailand

  https://orcid.org/0000-0003-2462-9471

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• Apiwat Pugongchai,

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Project administration, Resources, Software, Validation, Writing – original draft

  Affiliation Medical Diagnostics Unit, Thammasat University Hospital, Pathum Thani, Thailand

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• Kanyada Leelasittikul

  Roles Data curation, Investigation, Resources, Validation, Writing – original draft

  Affiliation Medical Diagnostics Unit, Thammasat University Hospital, Pathum Thani, Thailand

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