| article html file updated | 9 February 2020 12:39 CET | Update | https://www.mdpi.com/1424-8220/18/4/1101 |
| article html file updated | 2 October 2019 07:38 CEST | Update | - |
| article html file updated | 1 May 2019 05:49 CEST | Update | - |
| article html file updated | 17 April 2019 05:57 CEST | Update | - |
| article html file updated | 29 March 2019 13:01 CET | Update | - |
| article html file updated | 7 May 2018 04:40 CEST | Update | - |
| article html file updated | 5 April 2018 15:17 CEST | Original file | - |
| article xml uploaded. | 5 April 2018 15:15 CEST | Original file | https://www.mdpi.com/1424-8220/18/4/1101/xml |
| article pdf uploaded. | 5 April 2018 15:15 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/4/1101/pdf |