| article html file updated | 9 February 2020 06:03 CET | Update | https://www.mdpi.com/2071-1050/10/2/451 |
| article html file updated | 1 May 2019 19:46 CEST | Update | - |
| article html file updated | 17 April 2019 18:53 CEST | Update | - |
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| article html file updated | 15 March 2018 09:53 CET | Update | - |
| article html file updated | 14 March 2018 11:56 CET | Update | - |
| article html file updated | 9 February 2018 11:06 CET | Original file | - |
| article xml uploaded. | 9 February 2018 10:52 CET | Original file | https://www.mdpi.com/2071-1050/10/2/451/xml |
| article pdf uploaded. | 9 February 2018 10:52 CET | Version of Record | https://www.mdpi.com/2071-1050/10/2/451/pdf |
