| article html file updated | 8 February 2020 14:24 CET | Update | https://www.mdpi.com/2073-4344/7/9/248 |
| article html file updated | 26 September 2019 17:43 CEST | Update | - |
| article html file updated | 3 May 2019 05:17 CEST | Update | - |
| article html file updated | 26 September 2017 06:18 CEST | Update | - |
| article html file updated | 24 August 2017 15:53 CEST | Original file | - |
| article xml uploaded. | 24 August 2017 15:52 CEST | Original file | https://www.mdpi.com/2073-4344/7/9/248/xml |
| article pdf uploaded. | 24 August 2017 15:52 CEST | Version of Record | https://www.mdpi.com/2073-4344/7/9/248/pdf |
