| article html file updated | 9 February 2020 00:29 CET | Update | https://www.mdpi.com/1424-8220/17/12/2917 |
| article html file updated | 29 September 2019 07:39 CEST | Update | N/A |
| article html file updated | 2 May 2019 07:41 CEST | Update | N/A |
| article html file updated | 18 April 2019 05:31 CEST | Update | N/A |
| article html file updated | 2 January 2018 10:58 CET | Update | N/A |
| article html file updated | 19 December 2017 04:49 CET | Original file | N/A |
| article xml uploaded. | 19 December 2017 04:47 CET | Update | https://www.mdpi.com/1424-8220/17/12/2917/xml |
| article xml uploaded. | 19 December 2017 04:47 CET | Original file | N/A |
| article pdf uploaded. | 19 December 2017 04:47 CET | Version of Record | https://www.mdpi.com/1424-8220/17/12/2917/pdf |
