| article html file updated | 8 February 2020 02:21 CET | Update | https://www.mdpi.com/2304-6740/5/2/19 |
| article html file updated | 24 September 2019 00:50 CEST | Update | - |
| article html file updated | 4 May 2019 04:48 CEST | Update | - |
| article html file updated | 30 June 2017 08:23 CEST | Update | - |
| article html file updated | 29 March 2017 06:40 CEST | Original file | - |
| article xml uploaded. | 29 March 2017 06:22 CEST | Original file | https://www.mdpi.com/2304-6740/5/2/19/xml |
| article pdf uploaded. | 29 March 2017 06:22 CEST | Updated version of record | https://www.mdpi.com/2304-6740/5/2/19/pdf |
| article pdf uploaded. | 27 March 2017 14:25 CEST | Version of Record | https://www.mdpi.com/2304-6740/5/2/19/pdf-vor |
