| article html file updated | 7 February 2020 21:34 CET | Update | https://www.mdpi.com/1996-1073/10/1/104 |
| article html file updated | 22 September 2019 21:55 CEST | Update | - |
| article html file updated | 4 May 2019 15:03 CEST | Update | - |
| article html file updated | 7 February 2017 10:01 CET | Update | - |
| article html file updated | 16 January 2017 12:03 CET | Original file | - |
| article xml uploaded. | 16 January 2017 12:02 CET | Update | https://www.mdpi.com/1996-1073/10/1/104/xml |
| article xml uploaded. | 16 January 2017 12:02 CET | Original file | - |
| article pdf uploaded. | 16 January 2017 12:02 CET | Version of Record | https://www.mdpi.com/1996-1073/10/1/104/pdf |
