| article html file updated | 6 February 2020 22:42 CET | Update | https://www.mdpi.com/2073-4468/4/3/259 |
| article html file updated | 6 May 2019 11:33 CEST | Update | - |
| article html file updated | 26 March 2019 10:33 CET | Update | - |
| article html file updated | 14 October 2015 09:49 CEST | Original file | - |
| article xml file uploaded | 14 October 2015 09:49 CEST | Original file | https://www.mdpi.com/2073-4468/4/3/259/xml |
| article supplementary file uploaded. | 11 September 2015 14:46 CEST | - | https://www.mdpi.com/2073-4468/4/3/259#supplementary |
| article pdf uploaded. | 11 September 2015 14:46 CEST | Version of Record | https://www.mdpi.com/2073-4468/4/3/259/pdf |
