| article html file updated | 9 February 2020 01:31 CET | Update | https://www.mdpi.com/2310-2861/4/1/3 |
| article html file updated | 29 September 2019 13:35 CEST | Update | - |
| article html file updated | 2 May 2019 05:26 CEST | Update | - |
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| article html file updated | 28 March 2019 11:57 CET | Update | - |
| article html file updated | 29 December 2017 12:48 CET | Original file | - |
| article xml uploaded. | 29 December 2017 12:47 CET | Update | https://www.mdpi.com/2310-2861/4/1/3/xml |
| article xml uploaded. | 29 December 2017 12:47 CET | Original file | - |
| article pdf uploaded. | 29 December 2017 12:47 CET | Version of Record | https://www.mdpi.com/2310-2861/4/1/3/pdf |
