| article html file updated | 8 February 2020 16:32 CET | Update | https://www.mdpi.com/2073-4425/8/9/226 |
| article html file updated | 27 September 2019 05:25 CEST | Update | - |
| article html file updated | 3 May 2019 01:20 CEST | Update | - |
| article html file updated | 30 September 2017 10:30 CEST | Update | - |
| article html file updated | 18 September 2017 15:37 CEST | Original file | - |
| article xml uploaded. | 18 September 2017 15:35 CEST | Original file | https://www.mdpi.com/2073-4425/8/9/226/xml |
| article pdf uploaded. | 18 September 2017 15:35 CEST | Version of Record | https://www.mdpi.com/2073-4425/8/9/226/pdf |
