| article html file updated | 8 February 2020 08:45 CET | Update | https://www.mdpi.com/2076-3417/7/6/636 |
| article html file updated | 25 September 2019 10:49 CEST | Update | - |
| article html file updated | 3 May 2019 16:35 CEST | Update | - |
| article html file updated | 27 June 2017 09:48 CEST | Update | - |
| article html file updated | 20 June 2017 13:45 CEST | Original file | - |
| article xml uploaded. | 20 June 2017 13:44 CEST | Original file | https://www.mdpi.com/2076-3417/7/6/636/xml |
| article pdf uploaded. | 20 June 2017 13:44 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/6/636/pdf |
