| article html file updated | 8 February 2020 08:38 CET | Update | https://www.mdpi.com/2071-1050/9/6/1057 |
| article html file updated | 25 September 2019 10:17 CEST | Update | - |
| article html file updated | 3 May 2019 16:48 CEST | Update | - |
| article html file updated | 28 June 2017 14:52 CEST | Update | - |
| article html file updated | 19 June 2017 13:58 CEST | Original file | - |
| article xml uploaded. | 19 June 2017 13:56 CEST | Original file | https://www.mdpi.com/2071-1050/9/6/1057/xml |
| article pdf uploaded. | 19 June 2017 13:56 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/6/1057/pdf |
| article pdf uploaded. | 18 June 2017 12:01 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/6/1057/pdf-vor |
