| article html file updated | 9 February 2020 00:29 CET | Update | https://www.mdpi.com/1996-1073/10/12/2166 |
| article html file updated | 29 September 2019 07:36 CEST | Update | - |
| article html file updated | 2 May 2019 07:42 CEST | Update | - |
| article html file updated | 18 April 2019 05:32 CEST | Update | - |
| article html file updated | 2 January 2018 20:10 CET | Update | - |
| article html file updated | 18 December 2017 17:42 CET | Original file | - |
| article xml uploaded. | 18 December 2017 17:40 CET | Update | https://www.mdpi.com/1996-1073/10/12/2166/xml |
| article xml uploaded. | 18 December 2017 17:40 CET | Update | - |
| article xml uploaded. | 18 December 2017 17:40 CET | Original file | - |
| article pdf uploaded. | 18 December 2017 17:40 CET | Version of Record | https://www.mdpi.com/1996-1073/10/12/2166/pdf |
