| article html file updated | 9 February 2020 02:25 CET | Update | https://www.mdpi.com/2071-1050/10/1/138 |
| article html file updated | 29 September 2019 18:35 CEST | Update | - |
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| article html file updated | 9 February 2018 11:29 CET | Update | - |
| article html file updated | 1 February 2018 15:29 CET | Update | - |
| article html file updated | 9 January 2018 15:50 CET | Original file | - |
| article xml uploaded. | 9 January 2018 15:49 CET | Original file | https://www.mdpi.com/2071-1050/10/1/138/xml |
| article pdf uploaded. | 9 January 2018 15:49 CET | Version of Record | https://www.mdpi.com/2071-1050/10/1/138/pdf |
