| article html file updated | 8 February 2020 07:16 CET | Update | https://www.mdpi.com/1660-4601/14/6/591 |
| article html file updated | 25 September 2019 03:10 CEST | Update | - |
| article html file updated | 3 May 2019 19:22 CEST | Update | - |
| article html file updated | 28 June 2017 13:10 CEST | Update | - |
| article html file updated | 6 June 2017 02:46 CEST | Original file | - |
| article xml uploaded. | 6 June 2017 02:45 CEST | Original file | https://www.mdpi.com/1660-4601/14/6/591/xml |
| article pdf uploaded. | 6 June 2017 02:45 CEST | Updated version of record | https://www.mdpi.com/1660-4601/14/6/591/pdf |
| article pdf uploaded. | 2 June 2017 09:54 CEST | Version of Record | https://www.mdpi.com/1660-4601/14/6/591/pdf-vor |
