| article html file updated | 9 February 2020 03:15 CET | Update | https://www.mdpi.com/1424-8220/18/1/247 |
| article html file updated | 29 September 2019 23:09 CEST | Update | N/A |
| article html file updated | 2 May 2019 01:53 CEST | Update | N/A |
| article html file updated | 18 April 2019 00:10 CEST | Update | N/A |
| article html file updated | 28 March 2019 15:59 CET | Update | N/A |
| article html file updated | 2 February 2018 11:05 CET | Update | N/A |
| article html file updated | 16 January 2018 15:07 CET | Original file | N/A |
| article xml uploaded. | 16 January 2018 15:05 CET | Update | https://www.mdpi.com/1424-8220/18/1/247/xml |
| article xml uploaded. | 16 January 2018 15:05 CET | Original file | N/A |
| article pdf uploaded. | 16 January 2018 15:05 CET | Version of Record | https://www.mdpi.com/1424-8220/18/1/247/pdf |