| article html file updated | 6 February 2020 20:35 CET | Update | https://www.mdpi.com/2073-4425/6/3/559 |
| article html file updated | 21 September 2019 00:08 CEST | Update | - |
| article html file updated | 6 May 2019 15:56 CEST | Update | - |
| article html file updated | 26 March 2019 06:26 CET | Update | - |
| article html file updated | 28 September 2015 11:54 CEST | Update | - |
| article xml file uploaded | 28 September 2015 11:54 CEST | Original file | https://www.mdpi.com/2073-4425/6/3/559/xml |
| article html file updated | 21 August 2015 14:44 CEST | Original file | - |
| article supplementary file uploaded. | 13 July 2015 14:35 CEST | - | https://www.mdpi.com/2073-4425/6/3/559#supplementary |
| article pdf uploaded. | 13 July 2015 14:35 CEST | Version of Record | https://www.mdpi.com/2073-4425/6/3/559/pdf |