| article html file updated | 7 February 2020 10:27 CET | Update | https://www.mdpi.com/1424-8220/16/6/918 |
| article html file updated | 5 May 2019 12:24 CEST | Update | N/A |
| article html file updated | 27 March 2019 08:00 CET | Update | N/A |
| article html file updated | 29 June 2016 11:08 CEST | Update | N/A |
| article html file updated | 20 June 2016 14:50 CEST | Original file | N/A |
| article xml uploaded. | 20 June 2016 14:48 CEST | Original file | https://www.mdpi.com/1424-8220/16/6/918/xml |
| article pdf uploaded. | 20 June 2016 14:48 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/6/918/pdf |
