| article html file updated | 8 February 2020 02:44 CET | Update | https://www.mdpi.com/2072-666X/8/4/106 |
| article html file updated | 24 September 2019 03:00 CEST | Update | - |
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| article xml uploaded. | 18 April 2017 09:12 CEST | Update | https://www.mdpi.com/2072-666X/8/4/106/xml |
| article pdf uploaded. | 18 April 2017 09:12 CEST | Updated version of record | https://www.mdpi.com/2072-666X/8/4/106/pdf |
| article html file updated | 1 April 2017 07:48 CEST | Original file | - |
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