| article html file updated | 8 February 2020 07:28 CET | Update | https://www.mdpi.com/2305-6320/4/2/36 |
| article html file updated | 25 September 2019 04:15 CEST | Update | - |
| article html file updated | 3 May 2019 18:58 CEST | Update | - |
| article html file updated | 5 June 2017 05:33 CEST | Original file | - |
| article xml uploaded. | 5 June 2017 05:32 CEST | Original file | https://www.mdpi.com/2305-6320/4/2/36/xml |
| article pdf uploaded. | 5 June 2017 05:32 CEST | Version of Record | https://www.mdpi.com/2305-6320/4/2/36/pdf |
