| article html file updated | 9 February 2020 01:07 CET | Update | https://www.mdpi.com/2071-1050/10/1/37 |
| article html file updated | 29 September 2019 11:17 CEST | Update | - |
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| article html file updated | 25 December 2017 08:28 CET | Original file | - |
| article xml uploaded. | 25 December 2017 08:27 CET | Original file | https://www.mdpi.com/2071-1050/10/1/37/xml |
| article pdf uploaded. | 25 December 2017 08:27 CET | Version of Record | https://www.mdpi.com/2071-1050/10/1/37/pdf |
