| article html file updated | 8 February 2020 08:35 CET | Update | https://www.mdpi.com/2071-1050/9/6/1054 |
| article html file updated | 25 September 2019 09:57 CEST | Update | - |
| article html file updated | 3 May 2019 16:55 CEST | Update | - |
| article html file updated | 28 June 2017 14:51 CEST | Update | - |
| article html file updated | 19 June 2017 13:47 CEST | Original file | - |
| article xml uploaded. | 19 June 2017 13:45 CEST | Update | https://www.mdpi.com/2071-1050/9/6/1054/xml |
| article pdf uploaded. | 19 June 2017 13:45 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/6/1054/pdf |
| article pdf uploaded. | 17 June 2017 11:12 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/6/1054/pdf-vor |
