| article html file updated | 7 February 2020 16:45 CET | Update | https://www.mdpi.com/1996-1073/9/10/849 |
| article html file updated | 5 May 2019 00:54 CEST | Update | N/A |
| article html file updated | 28 October 2016 10:05 CEST | Update | N/A |
| article html file updated | 21 October 2016 09:04 CEST | Original file | N/A |
| article xml uploaded. | 21 October 2016 09:03 CEST | Update | https://www.mdpi.com/1996-1073/9/10/849/xml |
| article xml uploaded. | 21 October 2016 09:03 CEST | Update | N/A |
| article xml uploaded. | 21 October 2016 09:03 CEST | Original file | N/A |
| article pdf uploaded. | 21 October 2016 09:03 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/10/849/pdf |