| article html file updated | 9 February 2020 13:50 CET | Update | https://www.mdpi.com/1424-8220/18/4/1203 |
| article html file updated | 2 October 2019 15:03 CEST | Update | - |
| article html file updated | 1 May 2019 03:28 CEST | Update | - |
| article html file updated | 17 April 2019 03:51 CEST | Update | - |
| article html file updated | 29 March 2019 15:42 CET | Update | - |
| article html file updated | 7 May 2018 05:07 CEST | Update | - |
| article html file updated | 14 April 2018 11:21 CEST | Original file | - |
| article xml uploaded. | 14 April 2018 11:20 CEST | Update | https://www.mdpi.com/1424-8220/18/4/1203/xml |
| article pdf uploaded. | 14 April 2018 11:20 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/4/1203/pdf |
