Correction: Suppression of MAPK Signaling and Reversal of mTOR-Dependent MDR1-Associated Multidrug Resistance by 21α-Methylmelianodiol in Lung Cancer Cells

• Mark Borris Docdoc Aldonza, 
• Ji-Young Hong, 
• Song Yi Bae, 
• Jayoung Song, 
• Won Kyung Kim, 
• Jedo Oh, 
• Yoonho Shin, 
• Seung Ho Lee, 
• Sang Kook Lee