| article html file updated | 7 February 2020 18:47 CET | Update | https://www.mdpi.com/1996-1073/9/12/1003 |
| article html file updated | 22 September 2019 07:38 CEST | Update | N/A |
| article html file updated | 4 May 2019 20:59 CEST | Update | N/A |
| article html file updated | 28 December 2016 08:54 CET | Update | N/A |
| article html file updated | 29 November 2016 14:27 CET | Original file | N/A |
| article xml uploaded. | 29 November 2016 14:26 CET | Original file | https://www.mdpi.com/1996-1073/9/12/1003/xml |
| article pdf uploaded. | 29 November 2016 14:26 CET | Version of Record | https://www.mdpi.com/1996-1073/9/12/1003/pdf |
