| article html file updated | 6 February 2020 09:36 CET | Update | https://www.mdpi.com/2075-5309/4/2/245 |
| article html file updated | 21 March 2019 17:53 CET | Update | - |
| article html file updated | 20 August 2015 08:36 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/2075-5309/4/2/245/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. | 28 May 2014 15:48 CEST | Version of Record | https://www.mdpi.com/2075-5309/4/2/245/pdf |
