| article html file updated | 7 February 2020 22:35 CET | Update | https://www.mdpi.com/1424-8220/17/2/284 |
| article html file updated | 23 September 2019 03:24 CEST | Update | N/A |
| article html file updated | 4 May 2019 12:53 CEST | Update | N/A |
| article html file updated | 3 March 2017 22:50 CET | Update | N/A |
| article html file updated | 13 February 2017 08:24 CET | Original file | N/A |
| article xml uploaded. | 13 February 2017 08:23 CET | Update | https://www.mdpi.com/1424-8220/17/2/284/xml |
| article xml uploaded. | 13 February 2017 08:23 CET | Original file | N/A |
| article pdf uploaded. | 13 February 2017 08:23 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/2/284/pdf |
| article pdf uploaded. | 2 February 2017 12:21 CET | Version of Record | https://www.mdpi.com/1424-8220/17/2/284/pdf-vor |
