| article html file updated | 8 February 2020 15:27 CET | Update | https://www.mdpi.com/2073-4441/9/9/674 |
| article html file updated | 26 September 2019 23:30 CEST | Update | N/A |
| article html file updated | 3 May 2019 03:20 CEST | Update | N/A |
| article html file updated | 30 September 2017 11:07 CEST | Update | N/A |
| article html file updated | 6 September 2017 15:45 CEST | Original file | N/A |
| article xml uploaded. | 6 September 2017 15:44 CEST | Original file | https://www.mdpi.com/2073-4441/9/9/674/xml |
| article pdf uploaded. | 6 September 2017 15:44 CEST | Updated version of record | https://www.mdpi.com/2073-4441/9/9/674/pdf |
| article pdf uploaded. | 6 September 2017 13:02 CEST | Version of Record | N/A |
