| article html file updated | 6 February 2020 10:06 CET | Update | https://www.mdpi.com/2073-4344/4/2/196 |
| article html file updated | 21 March 2019 19:14 CET | Update | - |
| article html file updated | 20 August 2015 10:27 CEST | Update | - |
| article html file updated | 14 August 2014 11:41 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:41 CEST | Update | https://www.mdpi.com/2073-4344/4/2/196/xml |
| article html file updated | 14 August 2014 11:21 CEST | Original file | - |
| article xml file uploaded | 14 August 2014 11:21 CEST | Original file | - |
| article pdf uploaded. | 19 June 2014 15:16 CEST | Version of Record | https://www.mdpi.com/2073-4344/4/2/196/pdf |
