1 Intensive Care Unit, São Francisco Xavier Hospital, Western Lisbon Hospital Centre, Lisbon, Portugal. Electronic address: pedrofidalgo.com@gmail.com.
2 Nephrology Department, Santa Cruz Hospital, Western Lisbon Hospital Centre, Lisbon, Portugal.
3 Intensive Care Unit, Curry Cabral Hospital, Central Lisbon University Hospital Centre, Nova Medical School, Nova University, Lisbon, Portugal.