| article html file updated | 7 February 2020 21:36 CET | Update | https://www.mdpi.com/1996-1073/10/1/107 |
| article html file updated | 22 September 2019 22:11 CEST | Update | - |
| article html file updated | 4 May 2019 14:54 CEST | Update | - |
| article html file updated | 7 February 2017 10:01 CET | Update | - |
| article html file updated | 17 January 2017 10:37 CET | Original file | - |
| article xml uploaded. | 17 January 2017 10:36 CET | Update | https://www.mdpi.com/1996-1073/10/1/107/xml |
| article xml uploaded. | 17 January 2017 10:36 CET | Update | - |
| article xml uploaded. | 17 January 2017 10:36 CET | Original file | - |
| article pdf uploaded. | 17 January 2017 10:36 CET | Version of Record | https://www.mdpi.com/1996-1073/10/1/107/pdf |