| article html file updated | 7 February 2020 16:13 CET | Update | https://www.mdpi.com/1996-1073/9/10/815 |
| article html file updated | 5 May 2019 01:54 CEST | Update | N/A |
| article html file updated | 28 October 2016 09:56 CEST | Update | N/A |
| article html file updated | 12 October 2016 11:09 CEST | Original file | N/A |
| article xml uploaded. | 12 October 2016 11:07 CEST | Update | https://www.mdpi.com/1996-1073/9/10/815/xml |
| article xml uploaded. | 12 October 2016 11:07 CEST | Update | N/A |
| article xml uploaded. | 12 October 2016 11:07 CEST | Original file | N/A |
| article pdf uploaded. | 12 October 2016 11:07 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/10/815/pdf |
