| article html file updated | 7 February 2020 13:25 CET | Update | https://www.mdpi.com/2227-7099/4/3/17 |
| article html file updated | 5 May 2019 06:56 CEST | Update | - |
| article html file updated | 27 March 2019 13:50 CET | Update | - |
| article html file updated | 29 September 2016 11:58 CEST | Update | - |
| article html file updated | 17 August 2016 10:45 CEST | Original file | - |
| article xml uploaded. | 17 August 2016 10:44 CEST | Original file | https://www.mdpi.com/2227-7099/4/3/17/xml |
| article pdf uploaded. | 17 August 2016 10:44 CEST | Version of Record | https://www.mdpi.com/2227-7099/4/3/17/pdf |
