| article html file updated | 9 February 2020 07:26 CET | Update | https://www.mdpi.com/1424-8220/18/2/657 |
| article html file updated | 30 September 2019 23:59 CEST | Update | - |
| article html file updated | 1 May 2019 16:46 CEST | Update | - |
| article html file updated | 17 April 2019 16:09 CEST | Update | - |
| article html file updated | 29 March 2019 01:01 CET | Update | - |
| article html file updated | 14 March 2018 20:09 CET | Update | - |
| article html file updated | 24 February 2018 07:42 CET | Update | - |
| article xml uploaded. | 24 February 2018 07:41 CET | Update | https://www.mdpi.com/1424-8220/18/2/657/xml |
| article xml uploaded. | 24 February 2018 07:41 CET | Update | - |
| article pdf uploaded. | 24 February 2018 07:41 CET | Updated version of record | https://www.mdpi.com/1424-8220/18/2/657/pdf |
| article html file updated | 23 February 2018 15:30 CET | Original file | - |
| article xml uploaded. | 23 February 2018 15:28 CET | Update | - |
| article xml uploaded. | 23 February 2018 15:28 CET | Update | - |
| article xml uploaded. | 23 February 2018 15:28 CET | Original file | - |
| article pdf uploaded. | 23 February 2018 15:28 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/657/pdf-vor |
