| article html file updated | 7 February 2020 14:58 CET | Update | https://www.mdpi.com/2079-3200/4/3/12 |
| article html file updated | 5 May 2019 04:07 CEST | Update | N/A |
| article html file updated | 14 September 2016 08:33 CEST | Original file | N/A |
| article xml uploaded. | 14 September 2016 08:32 CEST | Update | https://www.mdpi.com/2079-3200/4/3/12/xml |
| article xml uploaded. | 14 September 2016 08:32 CEST | Original file | N/A |
| article pdf uploaded. | 14 September 2016 08:32 CEST | Version of Record | https://www.mdpi.com/2079-3200/4/3/12/pdf |
