| article html file updated | 10 February 2020 00:30 CET | Update | https://www.mdpi.com/2075-4663/6/3/59 |
| article html file updated | 5 October 2019 09:23 CEST | Update | - |
| article html file updated | 30 April 2019 04:04 CEST | Update | - |
| article html file updated | 15 April 2019 23:23 CEST | Update | - |
| article html file updated | 30 March 2019 18:22 CET | Update | - |
| article html file updated | 2 August 2018 06:00 CEST | Update | - |
| article html file updated | 8 July 2018 12:03 CEST | Original file | - |
| article pdf uploaded. | 8 July 2018 12:02 CEST | Version of Record | https://www.mdpi.com/2075-4663/6/3/59/pdf |
| article xml uploaded. | 8 July 2018 12:02 CEST | Update | https://www.mdpi.com/2075-4663/6/3/59/xml |
| article xml file uploaded | 8 July 2018 12:02 CEST | Original file | - |
