| article html file updated | 7 February 2020 16:09 CET | Update | https://www.mdpi.com/1996-1073/9/10/811 |
| article html file updated | 5 May 2019 02:01 CEST | Update | N/A |
| article html file updated | 28 October 2016 09:55 CEST | Update | N/A |
| article html file updated | 11 October 2016 08:51 CEST | Original file | N/A |
| article xml uploaded. | 11 October 2016 08:49 CEST | Update | https://www.mdpi.com/1996-1073/9/10/811/xml |
| article xml uploaded. | 11 October 2016 08:49 CEST | Original file | N/A |
| article pdf uploaded. | 11 October 2016 08:49 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/10/811/pdf |
