| article html file updated | 7 February 2020 20:21 CET | Update | https://www.mdpi.com/2073-4360/9/1/5 |
| article html file updated | 22 September 2019 15:27 CEST | Update | - |
| article html file updated | 4 May 2019 17:43 CEST | Update | - |
| article html file updated | 18 March 2019 05:24 CET | Update | - |
| article html file updated | 7 February 2017 10:24 CET | Update | - |
| article html file updated | 27 December 2016 12:17 CET | Original file | - |
| article xml uploaded. | 27 December 2016 11:38 CET | Original file | https://www.mdpi.com/2073-4360/9/1/5/xml |
| article pdf uploaded. | 27 December 2016 11:38 CET | Version of Record | https://www.mdpi.com/2073-4360/9/1/5/pdf |
