| article html file updated | 8 February 2020 16:17 CET | Update | https://www.mdpi.com/1424-8220/17/9/2130 |
| article html file updated | 27 September 2019 04:00 CEST | Update | - |
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| article html file updated | 30 September 2017 15:07 CEST | Update | - |
| article html file updated | 20 September 2017 04:08 CEST | Update | - |
| article xml uploaded. | 20 September 2017 04:07 CEST | Update | https://www.mdpi.com/1424-8220/17/9/2130/xml |
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| article pdf uploaded. | 19 September 2017 04:26 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/9/2130/pdf |
| article html file updated | 17 September 2017 05:14 CEST | Original file | - |
| article xml uploaded. | 17 September 2017 05:12 CEST | Update | - |
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| article pdf uploaded. | 17 September 2017 05:12 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/9/2130/pdf-vor |
| article pdf uploaded. | 15 September 2017 11:38 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/9/2130/pdf-vor |
