| article html file updated | 9 February 2020 06:12 CET | Update | https://www.mdpi.com/2075-4418/8/1/15 |
| article html file updated | 30 September 2019 16:48 CEST | Update | - |
| article html file updated | 1 May 2019 19:23 CEST | Update | - |
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| article html file updated | 28 March 2019 22:25 CET | Update | - |
| article html file updated | 27 March 2018 14:30 CEST | Update | - |
| article html file updated | 10 February 2018 11:02 CET | Original file | - |
| article xml uploaded. | 10 February 2018 11:00 CET | Original file | https://www.mdpi.com/2075-4418/8/1/15/xml |
| article pdf uploaded. | 10 February 2018 11:00 CET | Version of Record | https://www.mdpi.com/2075-4418/8/1/15/pdf |
