| article html file updated | 8 February 2020 22:48 CET | Update | https://www.mdpi.com/1996-1073/10/12/2011 |
| article html file updated | 28 September 2019 21:48 CEST | Update | - |
| article html file updated | 2 May 2019 11:22 CEST | Update | - |
| article html file updated | 18 April 2019 08:59 CEST | Update | - |
| article html file updated | 2 January 2018 19:14 CET | Update | - |
| article html file updated | 1 December 2017 13:02 CET | Original file | - |
| article xml uploaded. | 1 December 2017 13:00 CET | Update | https://www.mdpi.com/1996-1073/10/12/2011/xml |
| article xml uploaded. | 1 December 2017 13:00 CET | Original file | - |
| article pdf uploaded. | 1 December 2017 13:00 CET | Version of Record | https://www.mdpi.com/1996-1073/10/12/2011/pdf |
