| article html file updated | 6 February 2020 09:53 CET | Update | https://www.mdpi.com/2073-4344/4/2/174 |
| article html file updated | 21 March 2019 18:39 CET | Update | - |
| article html file updated | 20 August 2015 09:37 CEST | Update | - |
| article html file updated | 22 July 2014 08:27 CEST | Original file | - |
| article xml file uploaded | 22 July 2014 08:26 CEST | Original file | https://www.mdpi.com/2073-4344/4/2/174/xml |
| article supplementary file uploaded. | 11 June 2014 16:22 CEST | - | https://www.mdpi.com/2073-4344/4/2/174#supplementary |
| article pdf uploaded. | 11 June 2014 16:22 CEST | Version of Record | https://www.mdpi.com/2073-4344/4/2/174/pdf |
