| article html file updated | 7 February 2020 22:08 CET | Update | https://www.mdpi.com/1424-8220/17/2/224 |
| article html file updated | 23 September 2019 01:00 CEST | Update | - |
| article html file updated | 4 May 2019 13:47 CEST | Update | - |
| article html file updated | 2 March 2017 11:02 CET | Update | - |
| article html file updated | 25 January 2017 09:49 CET | Update | - |
| article xml uploaded. | 25 January 2017 09:48 CET | Update | https://www.mdpi.com/1424-8220/17/2/224/xml |
| article pdf uploaded. | 25 January 2017 09:48 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/2/224/pdf |
| article html file updated | 24 January 2017 10:08 CET | Original file | - |
| article xml uploaded. | 24 January 2017 10:07 CET | Original file | - |
| article pdf uploaded. | 24 January 2017 10:07 CET | Version of Record | https://www.mdpi.com/1424-8220/17/2/224/pdf-vor |
