| article html file updated | 8 February 2020 07:34 CET | Update | https://www.mdpi.com/2073-4441/9/6/405 |
| article html file updated | 25 September 2019 04:42 CEST | Update | - |
| article html file updated | 3 May 2019 18:48 CEST | Update | - |
| article html file updated | 29 June 2017 12:13 CEST | Update | - |
| article html file updated | 7 June 2017 10:24 CEST | Original file | - |
| article xml uploaded. | 7 June 2017 10:23 CEST | Update | https://www.mdpi.com/2073-4441/9/6/405/xml |
| article pdf uploaded. | 7 June 2017 10:23 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/6/405/pdf |
