| article html file updated | 9 February 2020 11:50 CET | Update | https://www.mdpi.com/1424-8220/18/4/1031 |
| article html file updated | 2 October 2019 02:49 CEST | Update | - |
| article html file updated | 1 May 2019 07:29 CEST | Update | - |
| article html file updated | 17 April 2019 07:28 CEST | Update | - |
| article html file updated | 29 March 2019 11:08 CET | Update | - |
| article html file updated | 7 May 2018 04:20 CEST | Update | - |
| article html file updated | 30 March 2018 09:03 CEST | Update | - |
| article xml uploaded. | 30 March 2018 09:02 CEST | Update | https://www.mdpi.com/1424-8220/18/4/1031/xml |
| article html file updated | 30 March 2018 08:11 CEST | Update | - |
| article pdf uploaded. | 30 March 2018 08:09 CEST | Updated version of record | https://www.mdpi.com/1424-8220/18/4/1031/pdf |
| article html file updated | 29 March 2018 18:09 CEST | Original file | - |
| article pdf uploaded. | 29 March 2018 18:08 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/4/1031/pdf-vor |
