| article html file updated | 7 February 2020 09:07 CET | Update | https://www.mdpi.com/2073-4433/7/5/71 |
| article html file updated | 5 May 2019 15:00 CEST | Update | - |
| article html file updated | 27 March 2019 05:27 CET | Update | - |
| article html file updated | 26 May 2016 11:14 CEST | Update | - |
| article html file updated | 23 May 2016 08:04 CEST | Original file | - |
| article xml uploaded. | 23 May 2016 08:03 CEST | Original file | https://www.mdpi.com/2073-4433/7/5/71/xml |
| article pdf uploaded. | 23 May 2016 08:03 CEST | Version of Record | https://www.mdpi.com/2073-4433/7/5/71/pdf |
