| article html file updated | 7 February 2020 19:24 CET | Update | https://www.mdpi.com/1996-1073/9/12/1041 |
| article html file updated | 22 September 2019 10:17 CEST | Update | N/A |
| article html file updated | 4 May 2019 19:41 CEST | Update | N/A |
| article html file updated | 28 December 2016 09:02 CET | Update | N/A |
| article html file updated | 10 December 2016 06:06 CET | Original file | N/A |
| article xml uploaded. | 10 December 2016 06:05 CET | Original file | https://www.mdpi.com/1996-1073/9/12/1041/xml |
| article pdf uploaded. | 10 December 2016 06:05 CET | Version of Record | https://www.mdpi.com/1996-1073/9/12/1041/pdf |
