| article html file updated | 9 February 2020 01:02 CET | Update | https://www.mdpi.com/1424-8220/18/1/27 |
| article html file updated | 29 September 2019 10:48 CEST | Update | N/A |
| article html file updated | 2 May 2019 06:29 CEST | Update | N/A |
| article html file updated | 18 April 2019 04:25 CEST | Update | N/A |
| article html file updated | 28 March 2019 10:46 CET | Update | N/A |
| article html file updated | 2 February 2018 10:01 CET | Update | N/A |
| article html file updated | 23 December 2017 11:01 CET | Original file | N/A |
| article xml uploaded. | 23 December 2017 11:00 CET | Original file | https://www.mdpi.com/1424-8220/18/1/27/xml |
| article pdf uploaded. | 23 December 2017 11:00 CET | Version of Record | https://www.mdpi.com/1424-8220/18/1/27/pdf |
