| article html file updated | 7 February 2020 22:36 CET | Update | https://www.mdpi.com/1424-8220/17/2/239 |
| article html file updated | 23 September 2019 03:31 CEST | Update | N/A |
| article html file updated | 4 May 2019 12:50 CEST | Update | N/A |
| article html file updated | 2 March 2017 11:05 CET | Update | N/A |
| article html file updated | 3 February 2017 10:29 CET | Original file | N/A |
| article xml uploaded. | 3 February 2017 10:27 CET | Update | https://www.mdpi.com/1424-8220/17/2/239/xml |
| article xml uploaded. | 3 February 2017 10:27 CET | Original file | N/A |
| article pdf uploaded. | 3 February 2017 10:27 CET | Version of Record | https://www.mdpi.com/1424-8220/17/2/239/pdf |
