| article html file updated | 9 February 2020 05:25 CET | Update | https://www.mdpi.com/1424-8220/18/2/450 |
| article html file updated | 30 September 2019 12:08 CEST | Update | - |
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| article html file updated | 26 February 2018 10:07 CET | Update | - |
| article xml uploaded. | 26 February 2018 10:05 CET | Update | https://www.mdpi.com/1424-8220/18/2/450/xml |
| article pdf uploaded. | 26 February 2018 10:05 CET | Updated version of record | https://www.mdpi.com/1424-8220/18/2/450/pdf |
| article html file updated | 5 February 2018 03:49 CET | Update | - |
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| article pdf uploaded. | 5 February 2018 03:48 CET | Updated version of record | https://www.mdpi.com/1424-8220/18/2/450/pdf-vor |
| article html file updated | 5 February 2018 03:33 CET | Original file | - |
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| article pdf uploaded. | 3 February 2018 11:04 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/450/pdf-vor |
