| article html file updated | 6 February 2020 20:22 CET | Update | https://www.mdpi.com/2073-4395/5/3/309 |
| article html file updated | 20 September 2019 23:48 CEST | Update | - |
| article html file updated | 6 May 2019 16:23 CEST | Update | - |
| article html file updated | 26 March 2019 05:59 CET | Update | - |
| article html file updated | 14 October 2015 08:44 CEST | Update | - |
| article xml file uploaded | 14 October 2015 08:44 CEST | Original file | https://www.mdpi.com/2073-4395/5/3/309/xml |
| article html file updated | 21 August 2015 14:30 CEST | Original file | - |
| article pdf uploaded. | 6 July 2015 11:43 CEST | Version of Record | https://www.mdpi.com/2073-4395/5/3/309/pdf |
