| article html file updated | 6 February 2020 11:49 CET | Update | https://www.mdpi.com/2077-0375/4/3/596 |
| article html file updated | 7 May 2019 09:04 CEST | Update | - |
| article html file updated | 21 March 2019 23:52 CET | Update | - |
| article html file updated | 20 August 2015 16:40 CEST | Update | - |
| article html file updated | 14 October 2014 06:28 CEST | Update | - |
| article xml file uploaded | 14 October 2014 06:28 CEST | Update | https://www.mdpi.com/2077-0375/4/3/596/xml |
| article html file updated | 29 September 2014 08:55 CEST | Original file | - |
| article xml file uploaded | 29 September 2014 08:55 CEST | Original file | - |
| article pdf uploaded. | 29 August 2014 15:03 CEST | Updated version of record | https://www.mdpi.com/2077-0375/4/3/596/pdf |
| article pdf uploaded. | 28 August 2014 13:59 CEST | Updated version of record | https://www.mdpi.com/2077-0375/4/3/596/pdf-vor |
| article pdf uploaded. | 27 August 2014 09:59 CEST | Version of Record | https://www.mdpi.com/2077-0375/4/3/596/pdf-vor |
