| article html file updated | 8 February 2020 03:29 CET | Update | https://www.mdpi.com/2304-6740/5/2/24 |
| article html file updated | 24 September 2019 07:06 CEST | Update | - |
| article html file updated | 4 May 2019 02:24 CEST | Update | - |
| article html file updated | 30 June 2017 08:23 CEST | Update | - |
| article html file updated | 14 April 2017 09:50 CEST | Original file | - |
| article xml uploaded. | 14 April 2017 09:48 CEST | Original file | https://www.mdpi.com/2304-6740/5/2/24/xml |
| article pdf uploaded. | 14 April 2017 09:48 CEST | Updated version of record | https://www.mdpi.com/2304-6740/5/2/24/pdf |
| article pdf uploaded. | 13 April 2017 10:04 CEST | Version of Record | https://www.mdpi.com/2304-6740/5/2/24/pdf-vor |
