| article html file updated | 12 February 2020 07:21 CET | Update | https://www.mdpi.com/2297-8739/6/2/23 |
| article html file updated | 18 October 2019 21:28 CEST | Update | - |
| article html file updated | 5 July 2019 08:42 CEST | Update | - |
| article html file updated | 5 July 2019 07:26 CEST | Update | - |
| article html file updated | 6 May 2019 12:55 CEST | Original file | - |
| article pdf uploaded. | 6 May 2019 12:54 CEST | Updated version of record | https://www.mdpi.com/2297-8739/6/2/23/pdf |
| article xml uploaded. | 6 May 2019 12:54 CEST | Update | https://www.mdpi.com/2297-8739/6/2/23/xml |
| article xml file uploaded | 6 May 2019 12:54 CEST | Update | - |
| article pdf uploaded. | 24 April 2019 08:11 CEST | Version of Record | https://www.mdpi.com/2297-8739/6/2/23/pdf-vor |
| article xml file uploaded | 24 April 2019 08:11 CEST | Original file | - |
