| article html file updated | 8 February 2020 15:10 CET | Update | https://www.mdpi.com/2075-4418/7/3/50 |
| article html file updated | 26 September 2019 22:02 CEST | Update | - |
| article html file updated | 3 May 2019 03:51 CEST | Update | - |
| article html file updated | 30 September 2017 11:27 CEST | Update | - |
| article html file updated | 2 September 2017 10:11 CEST | Original file | - |
| article xml uploaded. | 2 September 2017 10:10 CEST | Original file | https://www.mdpi.com/2075-4418/7/3/50/xml |
| article pdf uploaded. | 2 September 2017 10:10 CEST | Version of Record | https://www.mdpi.com/2075-4418/7/3/50/pdf |
