| article html file updated | 7 February 2020 21:24 CET | Update | https://www.mdpi.com/1996-1073/10/1/86 |
| article html file updated | 22 September 2019 20:59 CEST | Update | - |
| article html file updated | 4 May 2019 15:27 CEST | Update | - |
| article html file updated | 7 February 2017 09:56 CET | Update | - |
| article html file updated | 13 January 2017 09:49 CET | Original file | - |
| article xml uploaded. | 13 January 2017 09:48 CET | Update | https://www.mdpi.com/1996-1073/10/1/86/xml |
| article xml uploaded. | 13 January 2017 09:48 CET | Original file | - |
| article pdf uploaded. | 13 January 2017 09:48 CET | Version of Record | https://www.mdpi.com/1996-1073/10/1/86/pdf |
