| article html file updated | 6 February 2020 18:38 CET | Update | https://www.mdpi.com/2073-445X/4/2/413 |
| article html file updated | 6 May 2019 20:02 CEST | Update | - |
| article html file updated | 26 March 2019 02:37 CET | Update | - |
| article html file updated | 21 August 2015 12:10 CEST | Update | - |
| article html file updated | 15 May 2015 11:01 CEST | Update | - |
| article xml uploaded. | 15 May 2015 11:01 CEST | Update | https://www.mdpi.com/2073-445X/4/2/413/xml |
| article html file updated | 15 May 2015 09:57 CEST | Original file | - |
| article xml file uploaded | 15 May 2015 09:57 CEST | Original file | - |
| article pdf uploaded. | 14 May 2015 12:23 CEST | Version of Record | https://www.mdpi.com/2073-445X/4/2/413/pdf |
