| article html file updated | 9 February 2020 06:56 CET | Update | https://www.mdpi.com/1424-8220/18/2/612 |
| article html file updated | 30 September 2019 21:04 CEST | Update | N/A |
| article html file updated | 1 May 2019 17:49 CEST | Update | N/A |
| article html file updated | 17 April 2019 17:09 CEST | Update | N/A |
| article html file updated | 28 March 2019 23:57 CET | Update | N/A |
| article html file updated | 14 March 2018 20:00 CET | Update | N/A |
| article html file updated | 23 February 2018 11:15 CET | Original file | N/A |
| article xml uploaded. | 23 February 2018 11:13 CET | Original file | https://www.mdpi.com/1424-8220/18/2/612/xml |
| article pdf uploaded. | 23 February 2018 11:13 CET | Updated version of record | https://www.mdpi.com/1424-8220/18/2/612/pdf |
| article pdf uploaded. | 17 February 2018 08:10 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/612/pdf-vor |
