| article html file updated | 11 February 2020 22:26 CET | Update | https://www.mdpi.com/2413-8851/3/1/34 |
| article html file updated | 16 October 2019 15:46 CEST | Update | - |
| article html file updated | 26 April 2019 02:47 CEST | Update | - |
| article html file updated | 11 April 2019 21:48 CEST | Update | - |
| article html file updated | 4 April 2019 13:52 CEST | Update | - |
| article html file updated | 15 March 2019 09:31 CET | Original file | - |
| article pdf uploaded. | 15 March 2019 09:30 CET | Version of Record | https://www.mdpi.com/2413-8851/3/1/34/pdf |
| article xml uploaded. | 15 March 2019 09:30 CET | Update | https://www.mdpi.com/2413-8851/3/1/34/xml |
| article xml file uploaded | 15 March 2019 09:30 CET | Original file | - |
