| article html file updated | 9 February 2020 18:26 CET | Update | https://www.mdpi.com/2076-0787/7/2/50 |
| article html file updated | 30 April 2019 18:02 CEST | Update | - |
| article html file updated | 16 April 2019 18:28 CEST | Update | - |
| article html file updated | 30 March 2019 03:00 CET | Update | - |
| article html file updated | 24 May 2018 03:36 CEST | Update | - |
| article xml uploaded. | 24 May 2018 03:34 CEST | Update | https://www.mdpi.com/2076-0787/7/2/50/xml |
| article pdf uploaded. | 24 May 2018 03:34 CEST | Updated version of record | https://www.mdpi.com/2076-0787/7/2/50/pdf |
| article html file updated | 21 May 2018 12:12 CEST | Original file | - |
| article pdf uploaded. | 21 May 2018 12:11 CEST | Version of Record | https://www.mdpi.com/2076-0787/7/2/50/pdf-vor |
| article xml file uploaded | 21 May 2018 12:10 CEST | Original file | - |
