| article html file updated | 7 February 2020 13:53 CET | Update | https://www.mdpi.com/2079-3200/4/3/11 |
| article html file updated | 5 May 2019 06:05 CEST | Update | N/A |
| article html file updated | 27 March 2019 14:48 CET | Update | N/A |
| article html file updated | 25 August 2016 14:36 CEST | Original file | N/A |
| article xml uploaded. | 25 August 2016 14:35 CEST | Original file | https://www.mdpi.com/2079-3200/4/3/11/xml |
| article pdf uploaded. | 25 August 2016 14:35 CEST | Version of Record | https://www.mdpi.com/2079-3200/4/3/11/pdf |
