| article html file updated | 7 February 2020 12:22 CET | Update | https://www.mdpi.com/2227-9059/4/3/17 |
| article html file updated | 5 May 2019 08:57 CEST | Update | - |
| article html file updated | 27 March 2019 11:31 CET | Update | - |
| article html file updated | 21 February 2017 08:42 CET | Update | - |
| article html file updated | 29 September 2016 12:05 CEST | Update | - |
| article html file updated | 27 July 2016 11:35 CEST | Original file | - |
| article xml uploaded. | 27 July 2016 11:34 CEST | Original file | https://www.mdpi.com/2227-9059/4/3/17/xml |
| article pdf uploaded. | 27 July 2016 11:34 CEST | Version of Record | https://www.mdpi.com/2227-9059/4/3/17/pdf |
