| article html file updated | 12 February 2020 08:20 CET | Update | https://www.mdpi.com/2305-6320/6/2/52 |
| article html file updated | 5 July 2019 17:40 CEST | Update | - |
| article html file updated | 28 April 2019 04:32 CEST | Original file | - |
| article pdf uploaded. | 28 April 2019 04:30 CEST | Version of Record | https://www.mdpi.com/2305-6320/6/2/52/pdf |
| article xml uploaded. | 28 April 2019 04:30 CEST | Update | https://www.mdpi.com/2305-6320/6/2/52/xml |
| article xml file uploaded | 28 April 2019 04:30 CEST | Original file | - |
