| article html file updated | 8 February 2020 21:28 CET | Update | https://www.mdpi.com/2078-2489/8/4/148 |
| article html file updated | 28 September 2019 13:21 CEST | Update | N/A |
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| article html file updated | 18 April 2019 12:02 CEST | Update | N/A |
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| article html file updated | 17 November 2017 11:09 CET | Original file | N/A |
| article xml uploaded. | 17 November 2017 11:08 CET | Original file | https://www.mdpi.com/2078-2489/8/4/148/xml |
| article pdf uploaded. | 17 November 2017 11:08 CET | Version of Record | https://www.mdpi.com/2078-2489/8/4/148/pdf |
