| article html file updated | 8 February 2020 02:16 CET | Update | https://www.mdpi.com/1424-8220/17/4/683 |
| article html file updated | 4 May 2019 05:00 CEST | Update | - |
| article html file updated | 29 April 2017 13:31 CEST | Update | - |
| article html file updated | 27 March 2017 05:49 CEST | Update | - |
| article html file updated | 27 March 2017 05:33 CEST | Update | - |
| article html file updated | 26 March 2017 22:33 CEST | Update | - |
| article html file updated | 26 March 2017 04:51 CEST | Original file | - |
| article xml uploaded. | 26 March 2017 04:49 CEST | Original file | https://www.mdpi.com/1424-8220/17/4/683/xml |
| article pdf uploaded. | 26 March 2017 04:49 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/4/683/pdf |
| article pdf uploaded. | 25 March 2017 10:47 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/4/683/pdf-vor |
| article pdf uploaded. | 25 March 2017 10:43 CET | Version of Record | https://www.mdpi.com/1424-8220/17/4/683/pdf-vor |
