| article html file updated | 6 February 2020 18:32 CET | Update | https://www.mdpi.com/2075-4450/6/2/442 |
| article html file updated | 6 May 2019 20:15 CEST | Update | - |
| article html file updated | 26 March 2019 02:23 CET | Update | - |
| article html file updated | 21 August 2015 11:58 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/2075-4450/6/2/442/xml |
| article supplementary file uploaded. | 12 May 2015 13:55 CEST | - | https://www.mdpi.com/2075-4450/6/2/442#supplementary |
| article pdf uploaded. | 12 May 2015 13:55 CEST | Version of Record | https://www.mdpi.com/2075-4450/6/2/442/pdf |
