| article html file updated | 6 February 2020 17:50 CET | Update | https://www.mdpi.com/2075-4450/6/2/409 |
| article html file updated | 6 May 2019 21:36 CEST | Update | - |
| article html file updated | 26 March 2019 00:58 CET | Update | - |
| article html file updated | 21 August 2015 10:49 CEST | Update | - |
| article html file updated | 3 July 2015 12:26 CEST | Original file | - |
| article xml file uploaded | 3 July 2015 12:26 CEST | Original file | https://www.mdpi.com/2075-4450/6/2/409/xml |
| article supplementary file uploaded. | 20 April 2015 16:44 CEST | - | https://www.mdpi.com/2075-4450/6/2/409#supplementary |
| article pdf uploaded. | 20 April 2015 16:44 CEST | Version of Record | https://www.mdpi.com/2075-4450/6/2/409/pdf |
