| article html file updated | 7 February 2020 12:00 CET | Update | https://www.mdpi.com/2075-5309/6/3/27 |
| article html file updated | 5 May 2019 09:35 CEST | Update | - |
| article html file updated | 27 March 2019 10:53 CET | Update | - |
| article html file updated | 27 September 2016 12:03 CEST | Update | - |
| article html file updated | 20 July 2016 13:33 CEST | Original file | - |
| article xml uploaded. | 20 July 2016 13:32 CEST | Update | https://www.mdpi.com/2075-5309/6/3/27/xml |
| article pdf uploaded. | 20 July 2016 13:32 CEST | Version of Record | https://www.mdpi.com/2075-5309/6/3/27/pdf |
