| article html file updated | 9 February 2020 01:58 CET | Update | https://www.mdpi.com/2079-6412/8/1/24 |
| article html file updated | 29 September 2019 16:05 CEST | Update | - |
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| article html file updated | 1 February 2018 10:29 CET | Update | - |
| article html file updated | 4 January 2018 08:57 CET | Original file | - |
| article xml uploaded. | 4 January 2018 08:55 CET | Update | https://www.mdpi.com/2079-6412/8/1/24/xml |
| article pdf uploaded. | 4 January 2018 08:55 CET | Version of Record | https://www.mdpi.com/2079-6412/8/1/24/pdf |
