| article html file updated | 15 September 2021 04:57 CEST | Update | https://www.mdpi.com/2305-6304/6/1/11 |
| article html file updated | 9 February 2020 05:20 CET | Update | - |
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| article xml uploaded. | 7 February 2018 11:05 CET | Update | https://www.mdpi.com/2305-6304/6/1/11/xml |
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| article pdf uploaded. | 7 February 2018 11:05 CET | Updated version of record | https://www.mdpi.com/2305-6304/6/1/11/pdf |
| article html file updated | 2 February 2018 13:05 CET | Original file | - |
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| article pdf uploaded. | 2 February 2018 13:04 CET | Version of Record | https://www.mdpi.com/2305-6304/6/1/11/pdf-vor |
