| article html file updated | 6 February 2020 14:21 CET | Update | https://www.mdpi.com/2072-6651/6/12/3281 |
| article html file updated | 7 May 2019 04:11 CEST | Update | - |
| article html file updated | 25 March 2019 19:03 CET | Update | - |
| article html file updated | 21 August 2015 03:52 CEST | Update | - |
| article html file updated | 31 December 2014 10:47 CET | Original file | - |
| article xml file uploaded | 31 December 2014 10:47 CET | Original file | https://www.mdpi.com/2072-6651/6/12/3281/xml |
| article pdf uploaded. | 10 December 2014 13:24 CET | Version of Record | https://www.mdpi.com/2072-6651/6/12/3281/pdf |
