| article html file updated | 8 February 2020 04:20 CET | Update | https://www.mdpi.com/2075-1680/6/2/10 |
| article html file updated | 24 September 2019 12:03 CEST | Update | - |
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| article html file updated | 30 June 2017 10:12 CEST | Update | - |
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| article pdf uploaded. | 27 April 2017 11:45 CEST | Updated version of record | https://www.mdpi.com/2075-1680/6/2/10/pdf |
| article html file updated | 26 April 2017 18:09 CEST | Update | - |
| article pdf uploaded. | 26 April 2017 18:08 CEST | Updated version of record | https://www.mdpi.com/2075-1680/6/2/10/pdf-vor |
| article html file updated | 25 April 2017 15:48 CEST | Original file | - |
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