| article html file updated | 6 February 2020 03:38 CET | Update | https://www.mdpi.com/2072-6651/5/8/1381 |
| article html file updated | 8 May 2019 02:02 CEST | Update | N/A |
| article html file updated | 21 March 2019 02:32 CET | Update | N/A |
| article html file updated | 17 June 2015 12:05 CEST | Update | N/A |
| article html file updated | 4 September 2013 09:37 CEST | Original file | N/A |
| article xml file uploaded | 4 September 2013 09:37 CEST | Original file | https://www.mdpi.com/2072-6651/5/8/1381/xml |
| article pdf uploaded. | 6 August 2013 16:25 CEST | Version of Record | https://www.mdpi.com/2072-6651/5/8/1381/pdf |
