| article html file updated | 8 February 2020 00:04 CET | Update | https://www.mdpi.com/1424-8220/17/3/442 |
| article html file updated | 23 September 2019 11:44 CEST | Update | N/A |
| article html file updated | 4 May 2019 09:53 CEST | Update | N/A |
| article html file updated | 31 March 2017 09:48 CEST | Update | N/A |
| article html file updated | 23 February 2017 09:48 CET | Original file | N/A |
| article xml uploaded. | 23 February 2017 09:46 CET | Original file | https://www.mdpi.com/1424-8220/17/3/442/xml |
| article pdf uploaded. | 23 February 2017 09:46 CET | Version of Record | https://www.mdpi.com/1424-8220/17/3/442/pdf |
