| article html file updated | 8 February 2020 05:39 CET | Update | https://www.mdpi.com/1424-8220/17/5/1104 |
| article html file updated | 24 September 2019 18:50 CEST | Update | - |
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| article html file updated | 2 June 2017 04:27 CEST | Update | - |
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| article html file updated | 11 May 2017 15:10 CEST | Original file | - |
| article xml uploaded. | 11 May 2017 15:08 CEST | Update | https://www.mdpi.com/1424-8220/17/5/1104/xml |
| article pdf uploaded. | 11 May 2017 15:08 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/5/1104/pdf |
