| article html file updated | 8 February 2020 08:30 CET | Update | https://www.mdpi.com/1424-8220/17/6/1415 |
| article html file updated | 25 September 2019 09:34 CEST | Update | N/A |
| article html file updated | 3 May 2019 17:03 CEST | Update | N/A |
| article html file updated | 30 June 2017 11:59 CEST | Update | N/A |
| article html file updated | 16 June 2017 15:16 CEST | Original file | N/A |
| article xml uploaded. | 16 June 2017 15:15 CEST | Original file | https://www.mdpi.com/1424-8220/17/6/1415/xml |
| article pdf uploaded. | 16 June 2017 15:15 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/6/1415/pdf |
