| article html file updated | 6 February 2020 06:06 CET | Update | https://www.mdpi.com/2076-3417/3/4/694 |
| article html file updated | 7 May 2019 21:03 CEST | Update | - |
| article html file updated | 21 March 2019 09:09 CET | Update | - |
| article html file updated | 19 August 2015 13:13 CEST | Update | - |
| article html file updated | 9 March 2015 11:35 CET | Original file | - |
| article xml file uploaded | 9 March 2015 11:35 CET | Original file | https://www.mdpi.com/2076-3417/3/4/694/xml |
| article pdf uploaded. | 10 December 2013 15:56 CET | Version of Record | https://www.mdpi.com/2076-3417/3/4/694/pdf |
