| article html file updated | 7 February 2020 20:49 CET | Update | https://www.mdpi.com/2073-4360/9/1/14 |
| article html file updated | 22 September 2019 18:05 CEST | Update | - |
| article html file updated | 4 May 2019 16:43 CEST | Update | - |
| article html file updated | 18 March 2019 05:27 CET | Update | - |
| article html file updated | 7 February 2017 10:27 CET | Update | - |
| article html file updated | 6 January 2017 12:39 CET | Original file | - |
| article xml uploaded. | 6 January 2017 12:38 CET | Original file | https://www.mdpi.com/2073-4360/9/1/14/xml |
| article pdf uploaded. | 6 January 2017 12:38 CET | Version of Record | https://www.mdpi.com/2073-4360/9/1/14/pdf |
