| article html file updated | 6 February 2020 18:11 CET | Update | https://www.mdpi.com/2223-7747/4/2/225 |
| article html file updated | 6 May 2019 20:54 CEST | Update | - |
| article html file updated | 26 March 2019 01:42 CET | Update | - |
| article html file updated | 12 October 2015 10:32 CEST | Update | - |
| article xml file uploaded | 12 October 2015 10:32 CEST | Original file | https://www.mdpi.com/2223-7747/4/2/225/xml |
| article html file updated | 21 August 2015 11:24 CEST | Original file | - |
| article supplementary file uploaded. | 29 April 2015 14:23 CEST | - | https://www.mdpi.com/2223-7747/4/2/225#supplementary |
| article pdf uploaded. | 29 April 2015 14:23 CEST | Version of Record | https://www.mdpi.com/2223-7747/4/2/225/pdf |
