Correction: Verrucomicrobia are prevalent in north-temperate freshwater lakes and display class-level preferences between lake habitats

• Edna Chiang, 
• Marian L. Schmidt, 
• Michelle A. Berry, 
• Bopaiah A. Biddanda, 
• Ashley Burtner, 
• Thomas H. Johengen, 
• Danna Palladino, 
• Vincent J. Denef