| article html file updated | 18 March 2021 08:34 CET | Update | https://www.mdpi.com/1648-9144/55/2/50 |
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| article pdf uploaded. | 19 February 2019 11:36 CET | Updated version of record | https://www.mdpi.com/1648-9144/55/2/50/pdf |
| article xml uploaded. | 19 February 2019 11:36 CET | Update | https://www.mdpi.com/1648-9144/55/2/50/xml |
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| article pdf uploaded. | 14 February 2019 16:46 CET | Version of Record | https://www.mdpi.com/1648-9144/55/2/50/pdf-vor |
| article xml file uploaded | 14 February 2019 16:46 CET | Original file | - |