| article html file updated | 9 February 2020 11:44 CET | Update | https://www.mdpi.com/1424-8220/18/4/1018 |
| article html file updated | 2 October 2019 02:07 CEST | Update | N/A |
| article html file updated | 1 May 2019 07:41 CEST | Update | N/A |
| article html file updated | 17 April 2019 07:40 CEST | Update | N/A |
| article html file updated | 29 March 2019 10:54 CET | Update | N/A |
| article html file updated | 7 May 2018 04:16 CEST | Update | N/A |
| article html file updated | 29 March 2018 10:40 CEST | Original file | N/A |
| article xml uploaded. | 29 March 2018 10:39 CEST | Update | https://www.mdpi.com/1424-8220/18/4/1018/xml |
| article pdf uploaded. | 29 March 2018 10:39 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/4/1018/pdf |
