| article html file updated | 7 February 2020 07:41 CET | Update | https://www.mdpi.com/2075-4450/7/2/16 |
| article html file updated | 5 May 2019 17:48 CEST | Update | - |
| article html file updated | 27 March 2019 02:44 CET | Update | - |
| article html file updated | 4 July 2016 10:35 CEST | Update | - |
| article html file updated | 2 May 2016 08:19 CEST | Original file | - |
| article xml uploaded. | 2 May 2016 08:18 CEST | Update | https://www.mdpi.com/2075-4450/7/2/16/xml |
| article pdf uploaded. | 2 May 2016 08:18 CEST | Updated version of record | https://www.mdpi.com/2075-4450/7/2/16/pdf |
| article pdf uploaded. | 22 April 2016 15:38 CEST | Version of Record | https://www.mdpi.com/2075-4450/7/2/16/pdf-vor |
