| article html file updated | 6 February 2020 00:17 CET | Update | https://www.mdpi.com/2072-6651/5/2/224 |
| article html file updated | 8 May 2019 09:07 CEST | Update | - |
| article html file updated | 20 March 2019 17:57 CET | Update | - |
| article html file updated | 17 June 2015 05:58 CEST | Update | - |
| article html file updated | 8 February 2013 09:43 CET | Update | - |
| article html file updated | 31 January 2013 14:22 CET | Original file | - |
| article xml uploaded. | 31 January 2013 14:22 CET | Original file | https://www.mdpi.com/2072-6651/5/2/224/xml |
| article pdf uploaded. | 31 January 2013 14:22 CET | Updated version of record | https://www.mdpi.com/2072-6651/5/2/224/pdf |
| article supplementary file uploaded. | 30 January 2013 11:02 CET | - | https://www.mdpi.com/2072-6651/5/2/224#supplementary |
| article pdf uploaded. | 30 January 2013 11:01 CET | Version of Record | https://www.mdpi.com/2072-6651/5/2/224/pdf-vor |
