| article html file updated | 8 February 2020 00:12 CET | Update | https://www.mdpi.com/2305-6320/4/1/13 |
| article html file updated | 4 May 2019 09:35 CEST | Update | - |
| article html file updated | 27 February 2017 10:58 CET | Original file | - |
| article xml uploaded. | 27 February 2017 10:56 CET | Update | https://www.mdpi.com/2305-6320/4/1/13/xml |
| article xml uploaded. | 27 February 2017 10:56 CET | Original file | - |
| article pdf uploaded. | 27 February 2017 10:36 CET | Version of Record | https://www.mdpi.com/2305-6320/4/1/13/pdf |
