| article html file updated | 6 February 2020 11:19 CET | Update | https://www.mdpi.com/1660-3397/12/8/4399 |
| article html file updated | 7 May 2019 10:09 CEST | Update | - |
| article html file updated | 21 March 2019 22:39 CET | Update | - |
| article html file updated | 20 August 2015 14:48 CEST | Update | - |
| article html file updated | 27 August 2014 11:24 CEST | Original file | - |
| article xml file uploaded | 27 August 2014 11:24 CEST | Original file | https://www.mdpi.com/1660-3397/12/8/4399/xml |
| article supplementary file uploaded. | 8 August 2014 10:38 CEST | - | https://www.mdpi.com/1660-3397/12/8/4399#supplementary |
| article pdf uploaded. | 8 August 2014 10:38 CEST | Version of Record | https://www.mdpi.com/1660-3397/12/8/4399/pdf |