| article html file updated | 6 February 2020 00:17 CET | Update | https://www.mdpi.com/1660-3397/11/2/300 |
| article html file updated | 8 May 2019 09:08 CEST | Update | - |
| article html file updated | 20 March 2019 17:56 CET | Update | - |
| article html file updated | 17 June 2015 05:57 CEST | Update | - |
| article supplementary file uploaded. | 20 May 2014 10:00 CEST | - | https://www.mdpi.com/1660-3397/11/2/300#supplementary |
| article supplementary file uploaded. | 15 May 2014 08:32 CEST | - | https://www.mdpi.com/1660-3397/11/2/300#supplementary |
| article html file updated | 19 February 2013 11:58 CET | Update | - |
| article xml uploaded. | 19 February 2013 11:58 CET | Original file | https://www.mdpi.com/1660-3397/11/2/300/xml |
| article html file updated | 8 February 2013 09:43 CET | Original file | - |
| article pdf uploaded. | 5 February 2013 15:56 CET | Updated version of record | https://www.mdpi.com/1660-3397/11/2/300/pdf |
| article pdf uploaded. | 29 January 2013 11:56 CET | Version of Record | https://www.mdpi.com/1660-3397/11/2/300/pdf-vor |