Correction: Occurrence and spatial distribution of heavy metals in landfill leachates and impacted freshwater ecosystem: An environmental and human health threat

• Joseph P. Essien, 
• Donald I. Ikpe, 
• Edu J. Inam, 
• Aniefiokmkpong O. Okon, 
• Godwin A. Ebong, 
• Nsikak U. Benson