| article html file updated | 7 February 2020 21:54 CET | Update | https://www.mdpi.com/1424-8220/17/1/199 |
| article html file updated | 22 September 2019 23:44 CEST | Update | N/A |
| article html file updated | 4 May 2019 14:15 CEST | Update | N/A |
| article html file updated | 8 February 2017 10:06 CET | Update | N/A |
| article html file updated | 20 January 2017 13:36 CET | Original file | N/A |
| article xml uploaded. | 20 January 2017 13:35 CET | Original file | https://www.mdpi.com/1424-8220/17/1/199/xml |
| article pdf uploaded. | 20 January 2017 13:35 CET | Version of Record | https://www.mdpi.com/1424-8220/17/1/199/pdf |
