| article html file updated | 8 February 2020 08:09 CET | Update | https://www.mdpi.com/2076-3263/7/2/42 |
| article html file updated | 25 September 2019 07:42 CEST | Update | - |
| article html file updated | 3 May 2019 17:42 CEST | Update | - |
| article html file updated | 25 July 2017 10:30 CEST | Update | - |
| article html file updated | 15 June 2017 13:00 CEST | Original file | - |
| article xml uploaded. | 15 June 2017 12:58 CEST | Original file | https://www.mdpi.com/2076-3263/7/2/42/xml |
| article pdf uploaded. | 15 June 2017 12:58 CEST | Updated version of record | https://www.mdpi.com/2076-3263/7/2/42/pdf |
| article pdf uploaded. | 13 June 2017 16:44 CEST | Version of Record | https://www.mdpi.com/2076-3263/7/2/42/pdf-vor |
