| article html file updated | 6 February 2020 23:11 CET | Update | https://www.mdpi.com/2075-4450/6/4/792 |
| article html file updated | 6 May 2019 10:32 CEST | Update | - |
| article html file updated | 26 March 2019 11:29 CET | Update | - |
| article html file updated | 15 October 2015 07:24 CEST | Original file | - |
| article xml file uploaded | 15 October 2015 07:24 CEST | Original file | https://www.mdpi.com/2075-4450/6/4/792/xml |
| article pdf uploaded. | 25 September 2015 08:43 CEST | Updated version of record | https://www.mdpi.com/2075-4450/6/4/792/pdf |
| article pdf uploaded. | 24 September 2015 15:07 CEST | Version of Record | https://www.mdpi.com/2075-4450/6/4/792/pdf-vor |
