| article html file updated | 9 February 2020 07:10 CET | Update | https://www.mdpi.com/1424-8220/18/2/634 |
| article html file updated | 30 September 2019 22:27 CEST | Update | - |
| article html file updated | 1 May 2019 17:17 CEST | Update | - |
| article html file updated | 17 April 2019 16:39 CEST | Update | - |
| article html file updated | 29 March 2019 00:28 CET | Update | - |
| article html file updated | 14 March 2018 20:04 CET | Update | - |
| article html file updated | 24 February 2018 12:24 CET | Original file | - |
| article xml uploaded. | 24 February 2018 12:23 CET | Update | https://www.mdpi.com/1424-8220/18/2/634/xml |
| article xml uploaded. | 24 February 2018 12:23 CET | Original file | - |
| article pdf uploaded. | 24 February 2018 12:23 CET | Updated version of record | https://www.mdpi.com/1424-8220/18/2/634/pdf |
| article pdf uploaded. | 21 February 2018 17:03 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/634/pdf-vor |
