| article html file updated | 8 February 2020 09:26 CET | Update | https://www.mdpi.com/1996-1073/10/7/856 |
| article html file updated | 25 September 2019 14:29 CEST | Update | - |
| article html file updated | 3 May 2019 15:18 CEST | Update | - |
| article html file updated | 31 July 2017 06:48 CEST | Update | - |
| article html file updated | 28 June 2017 16:02 CEST | Original file | - |
| article xml uploaded. | 28 June 2017 16:01 CEST | Original file | https://www.mdpi.com/1996-1073/10/7/856/xml |
| article pdf uploaded. | 28 June 2017 16:01 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/7/856/pdf |
| article pdf uploaded. | 27 June 2017 16:39 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/7/856/pdf-vor |
