| article html file updated | 9 February 2020 06:56 CET | Update | https://www.mdpi.com/1424-8220/18/2/615 |
| article html file updated | 30 September 2019 21:09 CEST | Update | - |
| article html file updated | 1 May 2019 17:47 CEST | Update | - |
| article html file updated | 17 April 2019 17:07 CEST | Update | - |
| article html file updated | 28 March 2019 23:58 CET | Update | - |
| article html file updated | 14 March 2018 20:01 CET | Update | - |
| article html file updated | 22 February 2018 10:31 CET | Original file | - |
| article xml uploaded. | 22 February 2018 10:30 CET | Original file | https://www.mdpi.com/1424-8220/18/2/615/xml |
| article pdf uploaded. | 22 February 2018 10:30 CET | Updated version of record | https://www.mdpi.com/1424-8220/18/2/615/pdf |
| article pdf uploaded. | 17 February 2018 11:39 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/615/pdf-vor |
