[1
]
Division of Nephrology, Department of Internal Medicine, Kyung Hee University Hospital,
Kyung Hee University, Seoul, Republic of Korea.
[2
]
Division of Cardiology, Department of Internal Medicine, Kyung Hee University Hospital,
Kyung Hee University, Seoul, Republic of Korea.
[3
]
Division of Cardiology, Department of Internal Medicine, Kyung Hee University Hospital,
Kyung Hee University, Seoul, Republic of Korea. Electronic address: mylovekw@hanmail.net.
[4
]
Division of Nephrology, Department of Internal Medicine, Kyung Hee University Hospital,
Kyung Hee University, Seoul, Republic of Korea. Electronic address: aprilhwan@naver.com.