| article html file updated | 9 February 2020 00:32 CET | Update | https://www.mdpi.com/1996-1073/10/12/2173 |
| article html file updated | 29 September 2019 07:56 CEST | Update | - |
| article html file updated | 2 May 2019 07:34 CEST | Update | - |
| article html file updated | 18 April 2019 05:25 CEST | Update | - |
| article html file updated | 2 January 2018 20:12 CET | Update | - |
| article html file updated | 19 December 2017 11:56 CET | Original file | - |
| article xml uploaded. | 19 December 2017 11:54 CET | Update | https://www.mdpi.com/1996-1073/10/12/2173/xml |
| article xml uploaded. | 19 December 2017 11:54 CET | Original file | - |
| article pdf uploaded. | 19 December 2017 11:54 CET | Version of Record | https://www.mdpi.com/1996-1073/10/12/2173/pdf |
