| article html file updated | 8 February 2020 13:03 CET | Update | https://www.mdpi.com/2227-7080/5/3/50 |
| article html file updated | 26 September 2019 10:19 CEST | Update | - |
| article html file updated | 3 May 2019 07:55 CEST | Update | - |
| article html file updated | 27 March 2019 19:49 CET | Update | - |
| article html file updated | 30 September 2017 10:12 CEST | Update | - |
| article html file updated | 9 August 2017 16:09 CEST | Original file | - |
| article xml uploaded. | 9 August 2017 16:08 CEST | Update | https://www.mdpi.com/2227-7080/5/3/50/xml |
| article pdf uploaded. | 9 August 2017 16:08 CEST | Updated version of record | https://www.mdpi.com/2227-7080/5/3/50/pdf |
| article pdf uploaded. | 8 August 2017 10:42 CEST | Version of Record | https://www.mdpi.com/2227-7080/5/3/50/pdf-vor |
