| article html file updated | 9 February 2020 04:51 CET | Update | https://www.mdpi.com/1424-8220/18/2/397 |
| article html file updated | 30 September 2019 08:34 CEST | Update | - |
| article html file updated | 1 May 2019 22:28 CEST | Update | - |
| article html file updated | 17 April 2019 21:10 CEST | Update | - |
| article html file updated | 28 March 2019 19:28 CET | Update | - |
| article html file updated | 14 March 2018 18:41 CET | Update | - |
| article html file updated | 30 January 2018 11:35 CET | Original file | - |
| article xml uploaded. | 30 January 2018 11:34 CET | Update | https://www.mdpi.com/1424-8220/18/2/397/xml |
| article xml uploaded. | 30 January 2018 11:34 CET | Update | - |
| article xml uploaded. | 30 January 2018 11:34 CET | Original file | - |
| article pdf uploaded. | 30 January 2018 11:34 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/397/pdf |
