| article html file updated | 6 February 2020 01:25 CET | Update | https://www.mdpi.com/1996-1944/6/4/1467 |
| article html file updated | 8 May 2019 06:28 CEST | Update | - |
| article html file updated | 20 March 2019 20:47 CET | Original file | - |
| article pdf uploaded. | 15 April 2013 16:46 CEST | Updated version of record | https://www.mdpi.com/1996-1944/6/4/1467/pdf |
| article supplementary file uploaded. | 9 April 2013 11:24 CEST | - | https://www.mdpi.com/1996-1944/6/4/1467#supplementary |
| article pdf uploaded. | 9 April 2013 11:24 CEST | Version of Record | https://www.mdpi.com/1996-1944/6/4/1467/pdf-vor |
