| article html file updated | 7 February 2020 14:53 CET | Update | https://www.mdpi.com/1660-4601/13/9/903 |
| article html file updated | 22 September 2019 00:53 CEST | Update | N/A |
| article html file updated | 5 May 2019 04:17 CEST | Update | N/A |
| article html file updated | 26 September 2016 12:12 CEST | Update | N/A |
| article html file updated | 12 September 2016 13:18 CEST | Original file | N/A |
| article xml uploaded. | 12 September 2016 13:17 CEST | Original file | https://www.mdpi.com/1660-4601/13/9/903/xml |
| article pdf uploaded. | 12 September 2016 13:17 CEST | Version of Record | https://www.mdpi.com/1660-4601/13/9/903/pdf |
