| article html file updated | 7 February 2020 11:22 CET | Update | https://www.mdpi.com/2227-9091/4/3/25 |
| article html file updated | 5 May 2019 10:44 CEST | Update | - |
| article html file updated | 27 March 2019 09:41 CET | Update | - |
| article html file updated | 29 September 2016 09:46 CEST | Update | - |
| article html file updated | 8 July 2016 10:01 CEST | Original file | - |
| article xml uploaded. | 8 July 2016 10:00 CEST | Update | https://www.mdpi.com/2227-9091/4/3/25/xml |
| article pdf uploaded. | 8 July 2016 10:00 CEST | Version of Record | https://www.mdpi.com/2227-9091/4/3/25/pdf |
