| article html file updated | 9 February 2020 03:59 CET | Update | https://www.mdpi.com/2071-1050/10/2/284 |
| article html file updated | 30 September 2019 03:26 CEST | Update | - |
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| article html file updated | 15 March 2018 09:32 CET | Update | - |
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| article html file updated | 23 January 2018 12:07 CET | Original file | - |
| article xml uploaded. | 23 January 2018 12:06 CET | Update | https://www.mdpi.com/2071-1050/10/2/284/xml |
| article xml uploaded. | 23 January 2018 12:06 CET | Original file | - |
| article pdf uploaded. | 23 January 2018 12:06 CET | Version of Record | https://www.mdpi.com/2071-1050/10/2/284/pdf |