| article html file updated | 6 February 2020 13:20 CET | Update | https://www.mdpi.com/2076-0817/3/4/875 |
| article html file updated | 7 May 2019 06:08 CEST | Update | - |
| article html file updated | 25 March 2019 16:58 CET | Update | - |
| article html file updated | 21 August 2015 01:02 CEST | Update | - |
| article html file updated | 4 January 2015 10:35 CET | Original file | - |
| article xml file uploaded | 4 January 2015 10:35 CET | Original file | https://www.mdpi.com/2076-0817/3/4/875/xml |
| article supplementary file uploaded. | 3 November 2014 13:22 CET | - | https://www.mdpi.com/2076-0817/3/4/875#supplementary |
| article pdf uploaded. | 3 November 2014 13:22 CET | Version of Record | https://www.mdpi.com/2076-0817/3/4/875/pdf |
