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| article pdf uploaded. | 8 November 2018 03:43 CET | Updated version of record | https://www.mdpi.com/2077-1312/6/4/131/pdf |
| article xml uploaded. | 8 November 2018 03:43 CET | Update | https://www.mdpi.com/2077-1312/6/4/131/xml |
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| article pdf uploaded. | 7 November 2018 13:56 CET | Updated version of record | https://www.mdpi.com/2077-1312/6/4/131/pdf-vor |
| article xml file uploaded | 7 November 2018 13:56 CET | Update | - |
| article pdf uploaded. | 7 November 2018 13:55 CET | Updated version of record | https://www.mdpi.com/2077-1312/6/4/131/pdf-vor |
| article xml uploaded. | 7 November 2018 13:55 CET | Update | - |
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| article pdf uploaded. | 7 November 2018 13:53 CET | Updated version of record | https://www.mdpi.com/2077-1312/6/4/131/pdf-vor |
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| article pdf uploaded. | 7 November 2018 13:21 CET | Version of Record | https://www.mdpi.com/2077-1312/6/4/131/pdf-vor |
| article xml file uploaded | 7 November 2018 13:21 CET | Update | - |
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