| article html file updated | 11 February 2020 06:18 CET | Update | https://www.mdpi.com/2079-9292/8/1/51 |
| article html file updated | 12 October 2019 18:44 CEST | Update | - |
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| article html file updated | 26 February 2019 12:37 CET | Update | - |
| article html file updated | 29 January 2019 04:44 CET | Update | - |
| article html file updated | 2 January 2019 11:42 CET | Original file | - |
| article pdf uploaded. | 2 January 2019 11:39 CET | Version of Record | https://www.mdpi.com/2079-9292/8/1/51/pdf |
| article xml uploaded. | 2 January 2019 11:39 CET | Update | https://www.mdpi.com/2079-9292/8/1/51/xml |
| article xml file uploaded | 2 January 2019 11:39 CET | Original file | - |
