| article html file updated | 8 February 2020 10:44 CET | Update | https://www.mdpi.com/1996-1073/10/7/975 |
| article html file updated | 25 September 2019 21:19 CEST | Update | - |
| article html file updated | 3 May 2019 12:52 CEST | Update | - |
| article html file updated | 31 July 2017 07:12 CEST | Update | - |
| article html file updated | 12 July 2017 10:20 CEST | Original file | - |
| article xml uploaded. | 12 July 2017 10:19 CEST | Original file | https://www.mdpi.com/1996-1073/10/7/975/xml |
| article pdf uploaded. | 12 July 2017 10:19 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/7/975/pdf |
| article pdf uploaded. | 11 July 2017 14:09 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/7/975/pdf-vor |