| article html file updated | 8 February 2020 08:15 CET | Update | https://www.mdpi.com/2075-5309/7/2/50 |
| article html file updated | 25 September 2019 08:14 CEST | Update | - |
| article html file updated | 3 May 2019 17:32 CEST | Update | - |
| article html file updated | 28 June 2017 12:50 CEST | Update | - |
| article html file updated | 22 June 2017 12:44 CEST | Update | - |
| article xml uploaded. | 22 June 2017 12:42 CEST | Update | https://www.mdpi.com/2075-5309/7/2/50/xml |
| article pdf uploaded. | 22 June 2017 12:42 CEST | Updated version of record | https://www.mdpi.com/2075-5309/7/2/50/pdf |
| article html file updated | 15 June 2017 13:08 CEST | Original file | - |
| article pdf uploaded. | 15 June 2017 13:07 CEST | Updated version of record | https://www.mdpi.com/2075-5309/7/2/50/pdf-vor |
| article pdf uploaded. | 14 June 2017 14:40 CEST | Version of Record | https://www.mdpi.com/2075-5309/7/2/50/pdf-vor |
