| article html file updated | 6 February 2020 11:33 CET | Update | https://www.mdpi.com/2076-3417/4/3/351 |
| article html file updated | 21 March 2019 23:17 CET | Update | - |
| article html file updated | 20 August 2015 15:42 CEST | Update | - |
| article html file updated | 9 March 2015 11:42 CET | Original file | - |
| article xml file uploaded | 9 March 2015 11:42 CET | Original file | https://www.mdpi.com/2076-3417/4/3/351/xml |
| article pdf uploaded. | 18 August 2014 14:48 CEST | Version of Record | https://www.mdpi.com/2076-3417/4/3/351/pdf |
