1 Division of Nephrology and Hypertension, Department of Medicine, Hospital Quirón Marbella, Marbella, Málaga, Spain. Electronic address: nestor.oliva@quiron.es.
2 Division of Vascular Surgery, Department of Surgery, Hospital Quirón Marbella, Marbella, Málaga, Spain.
3 Division of Nephrology, Department of Medicine, Hospital Universitario de Gran Canaria "Doctor Negrín," Las Palmas de Gran Canaria, Spain.
4 Division of Nephrology, Department of Medicine, Hospital Costa del Sol, Marbella, Málaga, Spain.
5 Division of Nephrology and Hypertension, Department of Medicine, Hospital Quirón Marbella, Marbella, Málaga, Spain.