| article html file updated | 8 February 2020 11:59 CET | Update | https://www.mdpi.com/2226-4787/5/3/41 |
| article html file updated | 26 September 2019 03:59 CEST | Update | - |
| article html file updated | 3 May 2019 10:21 CEST | Update | - |
| article html file updated | 27 March 2019 17:38 CET | Update | - |
| article html file updated | 30 September 2017 15:41 CEST | Update | - |
| article html file updated | 25 July 2017 15:27 CEST | Original file | - |
| article xml uploaded. | 25 July 2017 15:25 CEST | Original file | https://www.mdpi.com/2226-4787/5/3/41/xml |
| article pdf uploaded. | 25 July 2017 15:25 CEST | Version of Record | https://www.mdpi.com/2226-4787/5/3/41/pdf |
