| article html file updated | 7 February 2020 20:38 CET | Update | https://www.mdpi.com/1996-1073/10/1/35 |
| article html file updated | 22 September 2019 17:07 CEST | Update | - |
| article html file updated | 4 May 2019 17:07 CEST | Update | - |
| article html file updated | 7 February 2017 09:38 CET | Update | - |
| article html file updated | 1 January 2017 05:22 CET | Original file | - |
| article xml uploaded. | 1 January 2017 05:21 CET | Update | https://www.mdpi.com/1996-1073/10/1/35/xml |
| article pdf uploaded. | 1 January 2017 05:21 CET | Version of Record | https://www.mdpi.com/1996-1073/10/1/35/pdf |
