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| article html file updated | 16 July 2022 21:22 CEST | Update | N/A |
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| article html file updated | 27 June 2018 12:04 CEST | Update | N/A |
| article html file updated | 12 June 2018 08:24 CEST | Original file | N/A |
| article pdf uploaded. | 12 June 2018 08:23 CEST | Updated version of record | https://www.mdpi.com/2075-1680/7/2/39/pdf |
| article xml uploaded. | 12 June 2018 08:23 CEST | Update | https://www.mdpi.com/2075-1680/7/2/39/xml |
| article xml file uploaded | 12 June 2018 08:23 CEST | Update | N/A |
| article pdf uploaded. | 9 June 2018 11:27 CEST | Version of Record | https://www.mdpi.com/2075-1680/7/2/39/pdf-vor |
| article xml file uploaded | 9 June 2018 11:27 CEST | Original file | N/A |
