| article html file updated | 6 February 2020 12:39 CET | Update | https://www.mdpi.com/2227-9067/1/3/302 |
| article html file updated | 20 September 2019 13:29 CEST | Update | - |
| article html file updated | 7 May 2019 07:30 CEST | Update | - |
| article html file updated | 22 March 2019 02:02 CET | Update | - |
| article html file updated | 20 August 2015 22:02 CEST | Update | - |
| article html file updated | 20 October 2014 11:29 CEST | Update | - |
| article xml file uploaded | 20 October 2014 11:29 CEST | Update | https://www.mdpi.com/2227-9067/1/3/302/xml |
| article html file updated | 14 October 2014 12:07 CEST | Original file | - |
| article xml file uploaded | 14 October 2014 12:07 CEST | Original file | - |
| article pdf uploaded. | 1 October 2014 15:04 CEST | Version of Record | https://www.mdpi.com/2227-9067/1/3/302/pdf |
