| article html file updated | 8 February 2020 09:57 CET | Update | https://www.mdpi.com/1996-1073/10/7/908 |
| article html file updated | 25 September 2019 17:30 CEST | Update | N/A |
| article html file updated | 3 May 2019 14:18 CEST | Update | N/A |
| article html file updated | 31 July 2017 06:58 CEST | Update | N/A |
| article html file updated | 3 July 2017 14:44 CEST | Original file | N/A |
| article xml uploaded. | 3 July 2017 14:43 CEST | Original file | https://www.mdpi.com/1996-1073/10/7/908/xml |
| article pdf uploaded. | 3 July 2017 14:43 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/7/908/pdf |
