| article html file updated | 6 February 2020 13:45 CET | Update | https://www.mdpi.com/2073-8994/6/4/954 |
| article html file updated | 7 May 2019 05:18 CEST | Update | - |
| article html file updated | 25 March 2019 17:56 CET | Update | - |
| article html file updated | 21 August 2015 02:17 CEST | Update | - |
| article html file updated | 31 December 2014 03:31 CET | Original file | - |
| article xml file uploaded | 31 December 2014 03:31 CET | Original file | https://www.mdpi.com/2073-8994/6/4/954/xml |
| article supplementary file uploaded. | 19 November 2014 09:08 CET | - | https://www.mdpi.com/2073-8994/6/4/954#supplementary |
| article pdf uploaded. | 18 November 2014 15:24 CET | Version of Record | https://www.mdpi.com/2073-8994/6/4/954/pdf |
