| article html file updated | 8 February 2020 13:45 CET | Update | https://www.mdpi.com/2073-4344/7/8/237 |
| article html file updated | 26 September 2019 14:20 CEST | Update | - |
| article html file updated | 3 May 2019 06:32 CEST | Update | - |
| article html file updated | 27 March 2019 21:16 CET | Update | - |
| article html file updated | 30 August 2017 09:16 CEST | Update | - |
| article html file updated | 17 August 2017 14:11 CEST | Original file | - |
| article xml uploaded. | 17 August 2017 14:09 CEST | Original file | https://www.mdpi.com/2073-4344/7/8/237/xml |
| article pdf uploaded. | 17 August 2017 14:09 CEST | Version of Record | https://www.mdpi.com/2073-4344/7/8/237/pdf |
