| article html file updated | 8 February 2020 11:04 CET | Update | https://www.mdpi.com/2227-9067/4/7/59 |
| article html file updated | 25 September 2019 23:04 CEST | Update | - |
| article html file updated | 3 May 2019 12:16 CEST | Update | - |
| article html file updated | 28 July 2017 11:10 CEST | Update | - |
| article html file updated | 17 July 2017 10:08 CEST | Update | - |
| article html file updated | 17 July 2017 10:07 CEST | Update | - |
| article html file updated | 17 July 2017 10:06 CEST | Original file | - |
| article xml uploaded. | 17 July 2017 10:04 CEST | Original file | https://www.mdpi.com/2227-9067/4/7/59/xml |
| article pdf uploaded. | 17 July 2017 10:04 CEST | Updated version of record | https://www.mdpi.com/2227-9067/4/7/59/pdf |
| article pdf uploaded. | 14 July 2017 16:08 CEST | Updated version of record | https://www.mdpi.com/2227-9067/4/7/59/pdf-vor |
| article pdf uploaded. | 14 July 2017 15:14 CEST | Version of Record | https://www.mdpi.com/2227-9067/4/7/59/pdf-vor |
