| article html file updated | 9 February 2020 14:13 CET | Update | https://www.mdpi.com/1424-8220/18/4/1240 |
| article html file updated | 2 October 2019 17:13 CEST | Update | - |
| article html file updated | 1 May 2019 02:43 CEST | Update | - |
| article html file updated | 17 April 2019 03:11 CEST | Update | - |
| article html file updated | 29 March 2019 16:35 CET | Update | - |
| article html file updated | 7 May 2018 05:17 CEST | Update | - |
| article html file updated | 18 April 2018 15:47 CEST | Original file | - |
| article xml uploaded. | 18 April 2018 15:46 CEST | Update | https://www.mdpi.com/1424-8220/18/4/1240/xml |
| article pdf uploaded. | 18 April 2018 15:46 CEST | Updated version of record | https://www.mdpi.com/1424-8220/18/4/1240/pdf |
| article pdf uploaded. | 17 April 2018 15:42 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/4/1240/pdf-vor |
