| article html file updated | 9 February 2020 08:18 CET | Update | https://www.mdpi.com/2504-4494/2/1/15 |
| article html file updated | 1 October 2019 04:54 CEST | Update | - |
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| article xml uploaded. | 9 March 2018 15:04 CET | Update | https://www.mdpi.com/2504-4494/2/1/15/xml |
| article pdf uploaded. | 9 March 2018 15:04 CET | Updated version of record | https://www.mdpi.com/2504-4494/2/1/15/pdf |
| article html file updated | 1 March 2018 14:45 CET | Original file | - |
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