| article html file updated | 8 February 2020 09:33 CET | Update | https://www.mdpi.com/2075-4701/7/7/241 |
| article html file updated | 25 September 2019 15:12 CEST | Update | - |
| article html file updated | 3 May 2019 15:04 CEST | Update | - |
| article html file updated | 31 July 2017 08:28 CEST | Update | - |
| article html file updated | 29 June 2017 14:45 CEST | Original file | - |
| article xml uploaded. | 29 June 2017 14:44 CEST | Update | https://www.mdpi.com/2075-4701/7/7/241/xml |
| article pdf uploaded. | 29 June 2017 14:44 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/7/241/pdf |
