| article html file updated | 8 February 2020 09:02 CET | Update | https://www.mdpi.com/1996-1073/10/7/835 |
| article html file updated | 25 September 2019 12:21 CEST | Update | - |
| article html file updated | 3 May 2019 16:03 CEST | Update | - |
| article html file updated | 31 July 2017 06:43 CEST | Update | - |
| article html file updated | 27 June 2017 06:22 CEST | Original file | - |
| article xml uploaded. | 27 June 2017 06:21 CEST | Original file | https://www.mdpi.com/1996-1073/10/7/835/xml |
| article pdf uploaded. | 27 June 2017 06:21 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/7/835/pdf |
| article pdf uploaded. | 22 June 2017 16:08 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/7/835/pdf-vor |