| article html file updated | 9 February 2020 05:05 CET | Update | https://www.mdpi.com/1424-8220/18/2/415 |
| article html file updated | 30 September 2019 09:56 CEST | Update | - |
| article html file updated | 1 May 2019 21:57 CEST | Update | - |
| article html file updated | 17 April 2019 20:44 CEST | Update | - |
| article html file updated | 28 March 2019 19:59 CET | Update | - |
| article html file updated | 14 March 2018 18:47 CET | Update | - |
| article html file updated | 31 January 2018 17:36 CET | Original file | - |
| article xml uploaded. | 31 January 2018 17:35 CET | Update | https://www.mdpi.com/1424-8220/18/2/415/xml |
| article xml uploaded. | 31 January 2018 17:35 CET | Update | - |
| article xml uploaded. | 31 January 2018 17:34 CET | Original file | - |
| article pdf uploaded. | 31 January 2018 17:34 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/415/pdf |
