| article html file updated | 9 February 2020 03:30 CET | Update | https://www.mdpi.com/1424-8220/18/1/271 |
| article html file updated | 30 September 2019 00:47 CEST | Update | - |
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| article html file updated | 25 February 2018 04:31 CET | Update | - |
| article xml uploaded. | 25 February 2018 04:29 CET | Update | https://www.mdpi.com/1424-8220/18/1/271/xml |
| article xml uploaded. | 25 February 2018 04:29 CET | Update | - |
| article pdf uploaded. | 25 February 2018 04:29 CET | Updated version of record | https://www.mdpi.com/1424-8220/18/1/271/pdf |
| article html file updated | 2 February 2018 11:10 CET | Update | - |
| article html file updated | 18 January 2018 17:15 CET | Original file | - |
| article xml uploaded. | 18 January 2018 17:14 CET | Original file | - |
| article pdf uploaded. | 18 January 2018 17:14 CET | Version of Record | https://www.mdpi.com/1424-8220/18/1/271/pdf-vor |
