| article html file updated | 7 February 2020 21:18 CET | Update | https://www.mdpi.com/2073-4352/7/1/19 |
| article html file updated | 22 September 2019 20:27 CEST | Update | - |
| article html file updated | 4 May 2019 15:42 CEST | Update | - |
| article html file updated | 7 February 2017 04:11 CET | Update | - |
| article html file updated | 12 January 2017 08:01 CET | Original file | - |
| article xml uploaded. | 12 January 2017 08:00 CET | Update | https://www.mdpi.com/2073-4352/7/1/19/xml |
| article xml uploaded. | 12 January 2017 08:00 CET | Original file | - |
| article pdf uploaded. | 12 January 2017 08:00 CET | Version of Record | https://www.mdpi.com/2073-4352/7/1/19/pdf |
