| article html file updated | 8 February 2020 10:02 CET | Update | https://www.mdpi.com/1660-3397/15/7/211 |
| article html file updated | 25 September 2019 17:51 CEST | Update | - |
| article html file updated | 3 May 2019 14:10 CEST | Update | - |
| article html file updated | 31 July 2017 08:17 CEST | Update | - |
| article html file updated | 4 July 2017 13:40 CEST | Original file | - |
| article xml uploaded. | 4 July 2017 13:39 CEST | Original file | https://www.mdpi.com/1660-3397/15/7/211/xml |
| article pdf uploaded. | 4 July 2017 13:39 CEST | Version of Record | https://www.mdpi.com/1660-3397/15/7/211/pdf |
