| article html file updated | 7 February 2020 10:54 CET | Update | https://www.mdpi.com/2076-3417/6/7/191 |
| article html file updated | 5 May 2019 11:36 CEST | Update | - |
| article html file updated | 27 March 2019 08:47 CET | Update | - |
| article html file updated | 27 July 2016 09:08 CEST | Update | - |
| article html file updated | 28 June 2016 11:16 CEST | Original file | - |
| article xml uploaded. | 28 June 2016 11:15 CEST | Update | https://www.mdpi.com/2076-3417/6/7/191/xml |
| article pdf uploaded. | 28 June 2016 11:15 CEST | Version of Record | https://www.mdpi.com/2076-3417/6/7/191/pdf |
