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| article pdf uploaded. | 28 March 2019 10:05 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/6/1094/pdf |
| article xml uploaded. | 28 March 2019 10:05 CET | Update | https://www.mdpi.com/1996-1073/12/6/1094/xml |
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| article pdf uploaded. | 21 March 2019 16:12 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/6/1094/pdf-vor |
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| article pdf uploaded. | 21 March 2019 15:35 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/6/1094/pdf-vor |
| article html file updated | 21 March 2019 09:54 CET | Original file | - |
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