| article html file updated | 9 February 2020 05:43 CET | Update | https://www.mdpi.com/2223-7747/7/1/11 |
| article html file updated | 30 September 2019 13:55 CEST | Update | - |
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| article xml uploaded. | 11 February 2018 10:52 CET | Update | https://www.mdpi.com/2223-7747/7/1/11/xml |
| article pdf uploaded. | 11 February 2018 10:52 CET | Updated version of record | https://www.mdpi.com/2223-7747/7/1/11/pdf |
| article html file updated | 6 February 2018 17:35 CET | Original file | - |
| article xml uploaded. | 6 February 2018 17:34 CET | Update | - |
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