| article html file updated | 8 February 2020 12:06 CET | Update | https://www.mdpi.com/1424-8220/17/8/1720 |
| article html file updated | 26 September 2019 04:39 CEST | Update | - |
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| article html file updated | 27 March 2019 17:51 CET | Update | - |
| article html file updated | 1 September 2017 10:30 CEST | Update | - |
| article html file updated | 27 July 2017 08:45 CEST | Original file | - |
| article xml uploaded. | 27 July 2017 08:44 CEST | Update | https://www.mdpi.com/1424-8220/17/8/1720/xml |
| article pdf uploaded. | 27 July 2017 08:44 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/8/1720/pdf |
