| article html file updated | 7 February 2020 19:21 CET | Update | https://www.mdpi.com/1996-1073/9/12/1037 |
| article html file updated | 22 September 2019 10:03 CEST | Update | N/A |
| article html file updated | 4 May 2019 19:47 CEST | Update | N/A |
| article html file updated | 28 December 2016 09:01 CET | Update | N/A |
| article html file updated | 9 December 2016 11:18 CET | Original file | N/A |
| article xml uploaded. | 9 December 2016 11:16 CET | Update | https://www.mdpi.com/1996-1073/9/12/1037/xml |
| article xml uploaded. | 9 December 2016 11:16 CET | Original file | N/A |
| article pdf uploaded. | 9 December 2016 11:16 CET | Version of Record | https://www.mdpi.com/1996-1073/9/12/1037/pdf |
