| article html file updated | 8 February 2020 08:51 CET | Update | https://www.mdpi.com/2071-1050/9/6/1080 |
| article html file updated | 25 September 2019 11:25 CEST | Update | - |
| article html file updated | 3 May 2019 16:22 CEST | Update | - |
| article html file updated | 28 June 2017 14:54 CEST | Update | - |
| article html file updated | 22 June 2017 13:20 CEST | Original file | - |
| article xml uploaded. | 22 June 2017 13:19 CEST | Original file | https://www.mdpi.com/2071-1050/9/6/1080/xml |
| article pdf uploaded. | 22 June 2017 13:19 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/6/1080/pdf |
| article pdf uploaded. | 21 June 2017 15:20 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/6/1080/pdf-vor |
