| article html file updated | 7 February 2020 22:26 CET | Update | https://www.mdpi.com/1424-8220/17/2/263 |
| article html file updated | 23 September 2019 02:44 CEST | Update | N/A |
| article html file updated | 4 May 2019 13:10 CEST | Update | N/A |
| article html file updated | 2 March 2017 11:12 CET | Update | N/A |
| article html file updated | 13 February 2017 06:37 CET | Original file | N/A |
| article xml uploaded. | 13 February 2017 06:36 CET | Original file | https://www.mdpi.com/1424-8220/17/2/263/xml |
| article pdf uploaded. | 13 February 2017 06:36 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/2/263/pdf |
| article pdf uploaded. | 29 January 2017 03:54 CET | Version of Record | https://www.mdpi.com/1424-8220/17/2/263/pdf-vor |
