| article html file updated | 8 February 2020 08:43 CET | Update | https://www.mdpi.com/1660-4601/14/6/657 |
| article html file updated | 25 September 2019 10:40 CEST | Update | N/A |
| article html file updated | 3 May 2019 16:38 CEST | Update | N/A |
| article html file updated | 28 June 2017 13:04 CEST | Update | N/A |
| article html file updated | 20 June 2017 11:27 CEST | Original file | N/A |
| article xml uploaded. | 20 June 2017 11:26 CEST | Original file | https://www.mdpi.com/1660-4601/14/6/657/xml |
| article pdf uploaded. | 20 June 2017 11:26 CEST | Updated version of record | https://www.mdpi.com/1660-4601/14/6/657/pdf |
| article pdf uploaded. | 19 June 2017 15:34 CEST | Version of Record | https://www.mdpi.com/1660-4601/14/6/657/pdf-vor |
