| article html file updated | 8 February 2020 05:17 CET | Update | https://www.mdpi.com/2073-4441/9/5/331 |
| article html file updated | 24 September 2019 16:56 CEST | Update | - |
| article html file updated | 3 May 2019 23:06 CEST | Update | - |
| article html file updated | 1 June 2017 04:59 CEST | Update | - |
| article html file updated | 23 May 2017 03:50 CEST | Update | - |
| article html file updated | 7 May 2017 10:48 CEST | Original file | - |
| article xml uploaded. | 7 May 2017 10:47 CEST | Original file | https://www.mdpi.com/2073-4441/9/5/331/xml |
| article pdf uploaded. | 7 May 2017 10:47 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/5/331/pdf |
