| article html file updated | 7 February 2020 18:47 CET | Update | https://www.mdpi.com/1996-1073/9/12/1002 |
| article html file updated | 22 September 2019 07:37 CEST | Update | - |
| article html file updated | 4 May 2019 20:59 CEST | Update | - |
| article html file updated | 28 December 2016 08:54 CET | Update | - |
| article html file updated | 29 November 2016 12:19 CET | Original file | - |
| article xml uploaded. | 29 November 2016 12:17 CET | Update | https://www.mdpi.com/1996-1073/9/12/1002/xml |
| article xml uploaded. | 29 November 2016 12:17 CET | Original file | - |
| article pdf uploaded. | 29 November 2016 12:17 CET | Version of Record | https://www.mdpi.com/1996-1073/9/12/1002/pdf |
