| article html file updated | 10 February 2020 19:45 CET | Update | https://www.mdpi.com/2079-9276/7/4/69 |
| article html file updated | 10 October 2019 01:08 CEST | Update | - |
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| article html file updated | 25 December 2018 03:38 CET | Update | - |
| article html file updated | 8 November 2018 07:10 CET | Update | - |
| article pdf uploaded. | 8 November 2018 07:09 CET | Updated version of record | https://www.mdpi.com/2079-9276/7/4/69/pdf |
| article xml uploaded. | 8 November 2018 07:09 CET | Update | https://www.mdpi.com/2079-9276/7/4/69/xml |
| article xml file uploaded | 8 November 2018 07:09 CET | Update | - |
| article html file updated | 5 November 2018 12:14 CET | Original file | - |
| article pdf uploaded. | 5 November 2018 12:12 CET | Version of Record | https://www.mdpi.com/2079-9276/7/4/69/pdf-vor |
| article xml uploaded. | 5 November 2018 12:12 CET | Update | - |
| article xml file uploaded | 5 November 2018 12:12 CET | Original file | - |