| article html file updated | 11 February 2020 16:34 CET | Update | https://www.mdpi.com/2079-9292/8/2/220 |
| article html file updated | 15 October 2019 03:01 CEST | Update | N/A |
| article html file updated | 26 April 2019 15:41 CEST | Update | N/A |
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| article html file updated | 16 February 2019 11:10 CET | Original file | N/A |
| article pdf uploaded. | 16 February 2019 11:08 CET | Version of Record | https://www.mdpi.com/2079-9292/8/2/220/pdf |
| article xml uploaded. | 16 February 2019 11:08 CET | Update | https://www.mdpi.com/2079-9292/8/2/220/xml |
| article xml file uploaded | 16 February 2019 11:08 CET | Original file | N/A |
