| article html file updated | 7 February 2020 07:55 CET | Update | https://www.mdpi.com/1424-8220/16/5/612 |
| article html file updated | 5 May 2019 17:19 CEST | Update | - |
| article html file updated | 27 March 2019 03:13 CET | Update | - |
| article html file updated | 27 May 2016 08:33 CEST | Update | - |
| article html file updated | 28 April 2016 08:49 CEST | Original file | - |
| article xml uploaded. | 28 April 2016 08:48 CEST | Original file | https://www.mdpi.com/1424-8220/16/5/612/xml |
| article pdf uploaded. | 28 April 2016 08:48 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/5/612/pdf |
