| article html file updated | 8 February 2020 05:14 CET | Update | https://www.mdpi.com/2411-5150/1/2/12 |
| article html file updated | 6 November 2019 11:21 CET | Update | - |
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| article xml uploaded. | 12 May 2017 05:49 CEST | Update | https://www.mdpi.com/2411-5150/1/2/12/xml |
| article pdf uploaded. | 12 May 2017 05:49 CEST | Updated version of record | https://www.mdpi.com/2411-5150/1/2/12/pdf |
| article html file updated | 6 May 2017 12:04 CEST | Original file | - |
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