| article html file updated | 10 February 2020 07:55 CET | Update | https://www.mdpi.com/2075-4701/8/9/671 |
| article html file updated | 29 April 2019 12:11 CEST | Update | N/A |
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| article pdf uploaded. | 28 August 2018 12:19 CEST | Updated version of record | https://www.mdpi.com/2075-4701/8/9/671/pdf |
| article xml uploaded. | 28 August 2018 12:19 CEST | Update | https://www.mdpi.com/2075-4701/8/9/671/xml |
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| article html file updated | 28 August 2018 10:36 CEST | Original file | N/A |
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