Article History
Received: 5 July 2017
Accepted: 18 June 2018
First Online: 26 June 2018
Compliance with ethical standards
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: We would like to thank Dr. Han Kiat Ho, Ms. Xinyi Wu, Ms. Koon Mian Foo, Ms. Saimin Jiang and Ms. Angie Yeo for their assistance in this study, and Mr. Keng Liang Cheng from Global Healthcare Singapore for providing the CarbonCoolâ„¢ system to our patients.