| article html file updated | 9 February 2020 17:32 CET | Update | https://www.mdpi.com/1424-8220/18/5/1556 |
| article html file updated | 3 October 2019 13:52 CEST | Update | - |
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| article html file updated | 15 May 2018 12:09 CEST | Update | - |
| article xml uploaded. | 15 May 2018 12:08 CEST | Update | https://www.mdpi.com/1424-8220/18/5/1556/xml |
| article pdf uploaded. | 15 May 2018 12:08 CEST | Updated version of record | https://www.mdpi.com/1424-8220/18/5/1556/pdf |
| article html file updated | 15 May 2018 08:48 CEST | Update | - |
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| article pdf uploaded. | 15 May 2018 08:45 CEST | Updated version of record | https://www.mdpi.com/1424-8220/18/5/1556/pdf-vor |
| article pdf uploaded. | 14 May 2018 16:34 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/5/1556/pdf-vor |
