| article html file updated | 9 February 2020 03:20 CET | Update | https://www.mdpi.com/1424-8220/18/1/261 |
| article html file updated | 29 September 2019 23:40 CEST | Update | - |
| article html file updated | 2 May 2019 01:42 CEST | Update | - |
| article html file updated | 17 April 2019 23:59 CEST | Update | - |
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| article html file updated | 2 February 2018 11:08 CET | Update | - |
| article html file updated | 17 January 2018 06:57 CET | Original file | - |
| article xml uploaded. | 17 January 2018 06:56 CET | Original file | https://www.mdpi.com/1424-8220/18/1/261/xml |
| article pdf uploaded. | 17 January 2018 06:56 CET | Version of Record | https://www.mdpi.com/1424-8220/18/1/261/pdf |
