| article html file updated | 6 February 2020 06:04 CET | Update | https://www.mdpi.com/1660-3397/11/12/4902 |
| article html file updated | 7 May 2019 21:06 CEST | Update | - |
| article html file updated | 21 March 2019 09:04 CET | Update | - |
| article html file updated | 19 August 2015 13:01 CEST | Update | - |
| article html file updated | 7 January 2014 12:47 CET | Original file | - |
| article xml file uploaded | 7 January 2014 12:47 CET | Original file | https://www.mdpi.com/1660-3397/11/12/4902/xml |
| article supplementary file uploaded. | 9 December 2013 14:09 CET | - | https://www.mdpi.com/1660-3397/11/12/4902#supplementary |
| article pdf uploaded. | 9 December 2013 14:08 CET | Version of Record | https://www.mdpi.com/1660-3397/11/12/4902/pdf |
