| article html file updated | 9 February 2020 05:59 CET | Update | https://www.mdpi.com/1424-8220/18/2/513 |
| article html file updated | 30 September 2019 15:32 CEST | Update | - |
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| article html file updated | 14 March 2018 19:28 CET | Update | - |
| article html file updated | 8 February 2018 17:20 CET | Original file | - |
| article xml uploaded. | 8 February 2018 17:18 CET | Original file | https://www.mdpi.com/1424-8220/18/2/513/xml |
| article pdf uploaded. | 8 February 2018 17:18 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/513/pdf |
