| article html file updated | 9 February 2020 09:44 CET | Update | https://www.mdpi.com/2079-6374/8/1/24 |
| article html file updated | 1 October 2019 14:28 CEST | Update | - |
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| article html file updated | 27 March 2018 14:29 CEST | Update | - |
| article html file updated | 13 March 2018 16:46 CET | Original file | - |
| article xml uploaded. | 13 March 2018 16:45 CET | Original file | https://www.mdpi.com/2079-6374/8/1/24/xml |
| article pdf uploaded. | 13 March 2018 16:45 CET | Version of Record | https://www.mdpi.com/2079-6374/8/1/24/pdf |
