| article html file updated | 9 February 2020 07:11 CET | Update | https://www.mdpi.com/1424-8220/18/2/635 |
| article html file updated | 30 September 2019 22:35 CEST | Update | - |
| article html file updated | 1 May 2019 17:15 CEST | Update | - |
| article html file updated | 17 April 2019 16:38 CEST | Update | - |
| article html file updated | 29 March 2019 00:30 CET | Update | - |
| article html file updated | 14 March 2018 20:05 CET | Update | - |
| article html file updated | 23 February 2018 11:00 CET | Original file | - |
| article xml uploaded. | 23 February 2018 10:59 CET | Original file | https://www.mdpi.com/1424-8220/18/2/635/xml |
| article pdf uploaded. | 23 February 2018 10:59 CET | Updated version of record | https://www.mdpi.com/1424-8220/18/2/635/pdf |
| article pdf uploaded. | 21 February 2018 17:07 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/635/pdf-vor |
