| article html file updated | 7 February 2020 23:03 CET | Update | https://www.mdpi.com/1424-8220/17/2/315 |
| article html file updated | 23 September 2019 06:04 CEST | Update | N/A |
| article html file updated | 4 May 2019 11:56 CEST | Update | N/A |
| article html file updated | 2 March 2017 11:25 CET | Update | N/A |
| article html file updated | 13 February 2017 09:08 CET | Original file | N/A |
| article xml uploaded. | 13 February 2017 08:59 CET | Original file | https://www.mdpi.com/1424-8220/17/2/315/xml |
| article pdf uploaded. | 13 February 2017 08:59 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/2/315/pdf |
| article pdf uploaded. | 10 February 2017 07:27 CET | Version of Record | https://www.mdpi.com/1424-8220/17/2/315/pdf-vor |
