Correction: Passive Leg Raising Correlates with Future Exercise Capacity after Coronary Revascularization

• Shu-Chun Huang, 
• May-Kuen Wong, 
• Pyng-Jing Lin, 
• Feng-Chun Tsai, 
• Ming-Shien Wen, 
• Chi-Tai Kuo, 
• Chih-Chin Hsu, 
• Jong-Shyan Wang