| article html file updated | 8 February 2020 06:43 CET | Update | https://www.mdpi.com/2073-4441/9/6/374 |
| article html file updated | 25 September 2019 00:29 CEST | Update | N/A |
| article html file updated | 3 May 2019 20:22 CEST | Update | N/A |
| article html file updated | 29 June 2017 12:07 CEST | Update | N/A |
| article html file updated | 25 May 2017 14:09 CEST | Original file | N/A |
| article xml uploaded. | 25 May 2017 14:08 CEST | Original file | https://www.mdpi.com/2073-4441/9/6/374/xml |
| article pdf uploaded. | 25 May 2017 14:08 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/6/374/pdf |
