| article html file updated | 8 February 2020 09:56 CET | Update | https://www.mdpi.com/2075-5309/7/3/60 |
| article html file updated | 25 September 2019 17:19 CEST | Update | - |
| article html file updated | 3 May 2019 14:21 CEST | Update | - |
| article html file updated | 6 October 2017 05:03 CEST | Update | - |
| article html file updated | 4 July 2017 13:12 CEST | Original file | - |
| article xml uploaded. | 4 July 2017 13:11 CEST | Original file | https://www.mdpi.com/2075-5309/7/3/60/xml |
| article pdf uploaded. | 4 July 2017 13:11 CEST | Updated version of record | https://www.mdpi.com/2075-5309/7/3/60/pdf |
| article pdf uploaded. | 3 July 2017 15:47 CEST | Version of Record | https://www.mdpi.com/2075-5309/7/3/60/pdf-vor |
