| article html file updated | 8 February 2020 14:40 CET | Update | https://www.mdpi.com/2226-471X/2/3/16 |
| article html file updated | 26 September 2019 19:12 CEST | Update | - |
| article html file updated | 3 May 2019 04:47 CEST | Update | - |
| article html file updated | 28 August 2017 13:02 CEST | Original file | - |
| article xml uploaded. | 28 August 2017 13:01 CEST | Update | https://www.mdpi.com/2226-471X/2/3/16/xml |
| article xml uploaded. | 28 August 2017 13:01 CEST | Original file | - |
| article pdf uploaded. | 28 August 2017 13:01 CEST | Version of Record | https://www.mdpi.com/2226-471X/2/3/16/pdf |
