| article html file updated | 10 February 2020 23:05 CET | Update | https://www.mdpi.com/2313-4321/3/4/54 |
| article html file updated | 10 October 2019 22:22 CEST | Update | - |
| article html file updated | 28 April 2019 04:03 CEST | Update | - |
| article html file updated | 14 April 2019 00:11 CEST | Update | - |
| article html file updated | 2 April 2019 01:49 CEST | Update | - |
| article html file updated | 23 November 2018 16:52 CET | Original file | - |
| article pdf uploaded. | 23 November 2018 16:51 CET | Version of Record | https://www.mdpi.com/2313-4321/3/4/54/pdf |
| article xml uploaded. | 23 November 2018 16:51 CET | Update | https://www.mdpi.com/2313-4321/3/4/54/xml |
| article xml file uploaded | 23 November 2018 16:51 CET | Original file | - |
