| article html file updated | 8 February 2020 13:56 CET | Update | https://www.mdpi.com/2073-4441/9/8/620 |
| article html file updated | 26 September 2019 15:20 CEST | Update | N/A |
| article html file updated | 3 May 2019 06:10 CEST | Update | N/A |
| article html file updated | 1 September 2017 08:21 CEST | Update | N/A |
| article html file updated | 18 August 2017 14:52 CEST | Original file | N/A |
| article xml uploaded. | 18 August 2017 14:51 CEST | Update | https://www.mdpi.com/2073-4441/9/8/620/xml |
| article xml uploaded. | 18 August 2017 14:51 CEST | Original file | N/A |
| article pdf uploaded. | 18 August 2017 14:51 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/8/620/pdf |
