| article html file updated | 8 February 2020 10:24 CET | Update | https://www.mdpi.com/2075-4701/7/7/258 |
| article html file updated | 25 September 2019 19:34 CEST | Update | N/A |
| article html file updated | 3 May 2019 13:31 CEST | Update | N/A |
| article html file updated | 31 July 2017 08:33 CEST | Update | N/A |
| article html file updated | 7 July 2017 12:04 CEST | Original file | N/A |
| article xml uploaded. | 7 July 2017 12:03 CEST | Original file | https://www.mdpi.com/2075-4701/7/7/258/xml |
| article pdf uploaded. | 7 July 2017 12:03 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/7/258/pdf |
