| article html file updated | 8 February 2020 23:04 CET | Update | https://www.mdpi.com/1996-1073/10/12/2052 |
| article html file updated | 28 September 2019 23:30 CEST | Update | - |
| article html file updated | 2 May 2019 10:47 CEST | Update | - |
| article html file updated | 18 April 2019 08:24 CEST | Update | - |
| article html file updated | 2 January 2018 19:40 CET | Update | - |
| article html file updated | 4 December 2017 14:58 CET | Original file | - |
| article xml uploaded. | 4 December 2017 14:57 CET | Update | https://www.mdpi.com/1996-1073/10/12/2052/xml |
| article xml uploaded. | 4 December 2017 14:57 CET | Original file | - |
| article pdf uploaded. | 4 December 2017 14:57 CET | Version of Record | https://www.mdpi.com/1996-1073/10/12/2052/pdf |
