| article html file updated | 8 February 2020 08:18 CET | Update | https://www.mdpi.com/2073-4441/9/6/432 |
| article html file updated | 25 September 2019 08:33 CEST | Update | N/A |
| article html file updated | 3 May 2019 17:26 CEST | Update | N/A |
| article html file updated | 29 June 2017 12:18 CEST | Update | N/A |
| article html file updated | 14 June 2017 14:25 CEST | Original file | N/A |
| article xml uploaded. | 14 June 2017 14:24 CEST | Update | https://www.mdpi.com/2073-4441/9/6/432/xml |
| article pdf uploaded. | 14 June 2017 14:24 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/6/432/pdf |
