| article html file updated | 9 February 2020 18:49 CET | Update | https://www.mdpi.com/1424-8220/18/6/1687 |
| article html file updated | 3 October 2019 21:57 CEST | Update | - |
| article html file updated | 30 April 2019 17:09 CEST | Update | - |
| article html file updated | 16 April 2019 17:35 CEST | Update | - |
| article html file updated | 30 March 2019 04:05 CET | Update | - |
| article html file updated | 24 May 2018 08:22 CEST | Original file | - |
| article pdf uploaded. | 24 May 2018 08:21 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/6/1687/pdf |
| article xml uploaded. | 24 May 2018 08:21 CEST | Update | https://www.mdpi.com/1424-8220/18/6/1687/xml |
| article xml file uploaded | 24 May 2018 08:21 CEST | Original file | - |
