| article html file updated | 9 February 2020 07:10 CET | Update | https://www.mdpi.com/2071-1050/10/2/550 |
| article html file updated | 30 September 2019 22:23 CEST | Update | - |
| article html file updated | 1 May 2019 17:19 CEST | Update | - |
| article html file updated | 17 April 2019 16:41 CEST | Update | - |
| article html file updated | 29 March 2019 00:26 CET | Update | - |
| article html file updated | 15 March 2018 10:08 CET | Update | - |
| article html file updated | 14 March 2018 12:18 CET | Update | - |
| article html file updated | 23 February 2018 09:35 CET | Original file | - |
| article xml uploaded. | 23 February 2018 09:34 CET | Update | https://www.mdpi.com/2071-1050/10/2/550/xml |
| article xml uploaded. | 23 February 2018 09:34 CET | Original file | - |
| article pdf uploaded. | 23 February 2018 09:34 CET | Updated version of record | https://www.mdpi.com/2071-1050/10/2/550/pdf |
| article pdf uploaded. | 21 February 2018 08:50 CET | Version of Record | https://www.mdpi.com/2071-1050/10/2/550/pdf-vor |
