| article html file updated | 7 February 2020 11:22 CET | Update | https://www.mdpi.com/2075-5309/6/3/25 |
| article html file updated | 5 May 2019 10:46 CEST | Update | - |
| article html file updated | 27 March 2019 09:39 CET | Update | - |
| article html file updated | 27 September 2016 12:02 CEST | Update | - |
| article html file updated | 8 July 2016 07:41 CEST | Original file | - |
| article xml uploaded. | 8 July 2016 07:40 CEST | Update | https://www.mdpi.com/2075-5309/6/3/25/xml |
| article pdf uploaded. | 8 July 2016 07:40 CEST | Version of Record | https://www.mdpi.com/2075-5309/6/3/25/pdf |
