| article html file updated | 8 February 2020 08:44 CET | Update | https://www.mdpi.com/2071-1050/9/6/1071 |
| article html file updated | 25 September 2019 10:43 CEST | Update | - |
| article html file updated | 3 May 2019 16:37 CEST | Update | - |
| article html file updated | 28 June 2017 14:53 CEST | Update | - |
| article html file updated | 21 June 2017 11:00 CEST | Original file | - |
| article xml uploaded. | 21 June 2017 10:58 CEST | Update | https://www.mdpi.com/2071-1050/9/6/1071/xml |
| article pdf uploaded. | 21 June 2017 10:58 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/6/1071/pdf |
| article pdf uploaded. | 20 June 2017 14:36 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/6/1071/pdf-vor |
