| article html file updated | 7 February 2020 11:33 CET | Update | https://www.mdpi.com/2075-4450/7/3/34 |
| article html file updated | 5 May 2019 10:25 CEST | Update | - |
| article html file updated | 27 March 2019 10:00 CET | Update | - |
| article html file updated | 28 September 2016 22:50 CEST | Update | - |
| article html file updated | 12 July 2016 13:33 CEST | Original file | - |
| article xml uploaded. | 12 July 2016 13:32 CEST | Original file | https://www.mdpi.com/2075-4450/7/3/34/xml |
| article pdf uploaded. | 12 July 2016 13:32 CEST | Version of Record | https://www.mdpi.com/2075-4450/7/3/34/pdf |
