| article html file updated | 9 February 2020 21:29 CET | Update | https://www.mdpi.com/2076-0787/7/2/61 |
| article html file updated | 30 April 2019 10:53 CEST | Update | - |
| article html file updated | 16 April 2019 11:18 CEST | Update | - |
| article html file updated | 16 April 2019 06:12 CEST | Update | - |
| article html file updated | 30 March 2019 10:48 CET | Update | - |
| article html file updated | 14 June 2018 11:01 CEST | Original file | - |
| article pdf uploaded. | 14 June 2018 11:00 CEST | Version of Record | https://www.mdpi.com/2076-0787/7/2/61/pdf |
| article xml uploaded. | 14 June 2018 11:00 CEST | Update | https://www.mdpi.com/2076-0787/7/2/61/xml |
| article xml file uploaded | 14 June 2018 11:00 CEST | Original file | - |
