| article html file updated | 9 February 2020 00:13 CET | Update | https://www.mdpi.com/1996-1073/10/12/2141 |
| article html file updated | 29 September 2019 06:05 CEST | Update | - |
| article html file updated | 2 May 2019 08:15 CEST | Update | - |
| article html file updated | 18 April 2019 06:03 CEST | Update | - |
| article html file updated | 2 January 2018 20:05 CET | Update | - |
| article html file updated | 15 December 2017 16:24 CET | Original file | - |
| article xml uploaded. | 15 December 2017 16:23 CET | Update | https://www.mdpi.com/1996-1073/10/12/2141/xml |
| article xml uploaded. | 15 December 2017 16:23 CET | Original file | - |
| article pdf uploaded. | 15 December 2017 16:23 CET | Version of Record | https://www.mdpi.com/1996-1073/10/12/2141/pdf |
