| article html file updated | 9 February 2020 20:49 CET | Update | https://www.mdpi.com/2227-9067/5/6/72 |
| article html file updated | 4 October 2019 10:19 CEST | Update | - |
| article html file updated | 30 April 2019 12:30 CEST | Update | - |
| article html file updated | 16 April 2019 12:54 CEST | Update | - |
| article html file updated | 16 April 2019 07:34 CEST | Update | - |
| article html file updated | 30 March 2019 09:08 CET | Update | - |
| article html file updated | 26 June 2018 04:52 CEST | Update | - |
| article html file updated | 8 June 2018 14:21 CEST | Original file | - |
| article pdf uploaded. | 8 June 2018 14:20 CEST | Version of Record | https://www.mdpi.com/2227-9067/5/6/72/pdf |
| article xml uploaded. | 8 June 2018 14:20 CEST | Update | https://www.mdpi.com/2227-9067/5/6/72/xml |
| article xml file uploaded | 8 June 2018 14:20 CEST | Original file | - |
