| article html file updated | 8 February 2020 01:33 CET | Update | https://www.mdpi.com/2226-4310/4/1/16 |
| article html file updated | 4 May 2019 06:32 CEST | Update | - |
| article html file updated | 29 March 2017 05:59 CEST | Update | - |
| article html file updated | 16 March 2017 07:58 CET | Original file | - |
| article xml uploaded. | 16 March 2017 07:56 CET | Original file | https://www.mdpi.com/2226-4310/4/1/16/xml |
| article pdf uploaded. | 16 March 2017 07:56 CET | Version of Record | https://www.mdpi.com/2226-4310/4/1/16/pdf |
