| article html file updated | 8 February 2020 09:28 CET | Update | https://www.mdpi.com/1996-1073/10/7/861 |
| article html file updated | 25 September 2019 14:40 CEST | Update | N/A |
| article html file updated | 3 May 2019 15:14 CEST | Update | N/A |
| article html file updated | 31 July 2017 06:48 CEST | Update | N/A |
| article html file updated | 28 June 2017 15:08 CEST | Original file | N/A |
| article xml uploaded. | 28 June 2017 15:06 CEST | Original file | https://www.mdpi.com/1996-1073/10/7/861/xml |
| article pdf uploaded. | 28 June 2017 15:06 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/7/861/pdf |
