| article html file updated | 6 February 2020 05:47 CET | Update | https://www.mdpi.com/2076-3425/3/4/1597 |
| article html file updated | 7 May 2019 21:39 CEST | Update | - |
| article html file updated | 21 March 2019 08:17 CET | Update | - |
| article html file updated | 19 August 2015 11:08 CEST | Update | - |
| article html file updated | 20 May 2014 10:07 CEST | Original file | - |
| article xml file uploaded | 20 May 2014 10:07 CEST | Original file | https://www.mdpi.com/2076-3425/3/4/1597/xml |
| article supplementary file uploaded. | 26 November 2013 14:50 CET | - | https://www.mdpi.com/2076-3425/3/4/1597#supplementary |
| article pdf uploaded. | 26 November 2013 14:50 CET | Version of Record | https://www.mdpi.com/2076-3425/3/4/1597/pdf |
