| article html file updated | 6 February 2020 19:33 CET | Update | https://www.mdpi.com/2079-7737/4/2/397 |
| article html file updated | 6 May 2019 18:03 CEST | Update | - |
| article html file updated | 26 March 2019 04:30 CET | Update | - |
| article html file updated | 21 August 2015 13:26 CEST | Update | - |
| article html file updated | 7 July 2015 10:59 CEST | Original file | - |
| article xml file uploaded | 7 July 2015 10:59 CEST | Original file | https://www.mdpi.com/2079-7737/4/2/397/xml |
| article supplementary file uploaded. | 10 June 2015 11:44 CEST | - | https://www.mdpi.com/2079-7737/4/2/397#supplementary |
| article pdf uploaded. | 10 June 2015 11:43 CEST | Version of Record | https://www.mdpi.com/2079-7737/4/2/397/pdf |