| article html file updated | 8 February 2020 16:16 CET | Update | https://www.mdpi.com/2073-4352/7/9/280 |
| article html file updated | 27 September 2019 03:54 CEST | Update | - |
| article html file updated | 3 May 2019 01:51 CEST | Update | - |
| article html file updated | 30 September 2017 08:44 CEST | Update | - |
| article html file updated | 15 September 2017 10:42 CEST | Original file | - |
| article xml uploaded. | 15 September 2017 10:40 CEST | Update | https://www.mdpi.com/2073-4352/7/9/280/xml |
| article xml uploaded. | 15 September 2017 10:40 CEST | Original file | - |
| article pdf uploaded. | 15 September 2017 10:40 CEST | Version of Record | https://www.mdpi.com/2073-4352/7/9/280/pdf |
