| article html file updated | 8 February 2020 16:20 CET | Update | https://www.mdpi.com/2073-4344/7/9/275 |
| article html file updated | 27 September 2019 04:18 CEST | Update | - |
| article html file updated | 3 May 2019 01:43 CEST | Update | - |
| article html file updated | 26 September 2017 06:24 CEST | Update | - |
| article html file updated | 15 September 2017 16:24 CEST | Original file | - |
| article xml uploaded. | 15 September 2017 16:23 CEST | Original file | https://www.mdpi.com/2073-4344/7/9/275/xml |
| article pdf uploaded. | 15 September 2017 16:23 CEST | Updated version of record | https://www.mdpi.com/2073-4344/7/9/275/pdf |
| article pdf uploaded. | 15 September 2017 15:12 CEST | Version of Record | https://www.mdpi.com/2073-4344/7/9/275/pdf-vor |
