| article html file updated | 9 February 2020 14:47 CET | Update | https://www.mdpi.com/1424-8220/18/4/1280 |
| article html file updated | 2 October 2019 20:30 CEST | Update | - |
| article html file updated | 1 May 2019 01:36 CEST | Update | - |
| article html file updated | 17 April 2019 02:11 CEST | Update | - |
| article html file updated | 29 March 2019 17:55 CET | Update | - |
| article html file updated | 7 May 2018 05:28 CEST | Update | - |
| article html file updated | 21 April 2018 12:12 CEST | Original file | - |
| article pdf uploaded. | 21 April 2018 12:11 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/4/1280/pdf |
| article xml uploaded. | 21 April 2018 12:11 CEST | Update | https://www.mdpi.com/1424-8220/18/4/1280/xml |
| article xml file uploaded | 21 April 2018 12:11 CEST | Original file | - |
