| article html file updated | 7 February 2020 16:54 CET | Update | https://www.mdpi.com/2076-3263/6/4/46 |
| article html file updated | 5 May 2019 00:36 CEST | Update | - |
| article html file updated | 25 October 2016 09:15 CEST | Original file | - |
| article xml uploaded. | 25 October 2016 09:14 CEST | Update | https://www.mdpi.com/2076-3263/6/4/46/xml |
| article xml uploaded. | 25 October 2016 09:14 CEST | Original file | - |
| article pdf uploaded. | 25 October 2016 09:14 CEST | Version of Record | https://www.mdpi.com/2076-3263/6/4/46/pdf |
