| article html file updated | 9 February 2020 12:04 CET | Update | https://www.mdpi.com/1424-8220/18/4/1051 |
| article html file updated | 2 October 2019 04:14 CEST | Update | - |
| article html file updated | 1 May 2019 07:01 CEST | Update | - |
| article html file updated | 17 April 2019 07:02 CEST | Update | - |
| article html file updated | 29 March 2019 11:40 CET | Update | - |
| article html file updated | 7 May 2018 04:26 CEST | Update | - |
| article html file updated | 11 April 2018 05:59 CEST | Update | - |
| article xml uploaded. | 11 April 2018 05:58 CEST | Update | https://www.mdpi.com/1424-8220/18/4/1051/xml |
| article pdf uploaded. | 11 April 2018 05:58 CEST | Updated version of record | https://www.mdpi.com/1424-8220/18/4/1051/pdf |
| article html file updated | 31 March 2018 12:14 CEST | Original file | - |
| article pdf uploaded. | 31 March 2018 12:12 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/4/1051/pdf-vor |
