| article html file updated | 9 February 2020 03:01 CET | Update | https://www.mdpi.com/2076-3921/7/1/11 |
| article html file updated | 29 September 2019 21:46 CEST | Update | - |
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| article html file updated | 1 February 2018 13:56 CET | Update | - |
| article html file updated | 14 January 2018 23:22 CET | Original file | - |
| article xml uploaded. | 14 January 2018 05:27 CET | Update | https://www.mdpi.com/2076-3921/7/1/11/xml |
| article xml uploaded. | 14 January 2018 05:27 CET | Update | - |
| article xml uploaded. | 14 January 2018 05:27 CET | Original file | - |
| article pdf uploaded. | 14 January 2018 05:27 CET | Version of Record | https://www.mdpi.com/2076-3921/7/1/11/pdf |
