| article html file updated | 9 February 2020 06:21 CET | Update | https://www.mdpi.com/1424-8220/18/2/555 |
| article html file updated | 30 September 2019 17:40 CEST | Update | - |
| article html file updated | 1 May 2019 19:03 CEST | Update | - |
| article html file updated | 17 April 2019 18:18 CEST | Update | - |
| article html file updated | 28 March 2019 22:43 CET | Update | - |
| article html file updated | 14 March 2018 19:42 CET | Update | - |
| article html file updated | 21 February 2018 02:23 CET | Original file | - |
| article xml uploaded. | 21 February 2018 02:21 CET | Update | https://www.mdpi.com/1424-8220/18/2/555/xml |
| article xml uploaded. | 21 February 2018 02:21 CET | Original file | - |
| article pdf uploaded. | 21 February 2018 02:21 CET | Updated version of record | https://www.mdpi.com/1424-8220/18/2/555/pdf |
| article pdf uploaded. | 11 February 2018 13:54 CET | Version of Record | - |
