| article html file updated | 8 February 2020 02:13 CET | Update | https://www.mdpi.com/1660-4601/14/4/344 |
| article html file updated | 24 September 2019 00:06 CEST | Update | - |
| article html file updated | 4 May 2019 05:06 CEST | Update | - |
| article html file updated | 28 April 2017 08:04 CEST | Update | - |
| article html file updated | 28 March 2017 12:33 CEST | Original file | - |
| article xml uploaded. | 28 March 2017 12:22 CEST | Original file | https://www.mdpi.com/1660-4601/14/4/344/xml |
| article pdf uploaded. | 28 March 2017 12:22 CEST | Updated version of record | https://www.mdpi.com/1660-4601/14/4/344/pdf |
| article pdf uploaded. | 24 March 2017 14:22 CET | Version of Record | https://www.mdpi.com/1660-4601/14/4/344/pdf-vor |
