| article html file updated | 9 February 2020 06:51 CET | Update | https://www.mdpi.com/2075-163X/8/2/70 |
| article html file updated | 30 September 2019 20:39 CEST | Update | - |
| article html file updated | 1 May 2019 17:57 CEST | Update | - |
| article html file updated | 17 April 2019 17:17 CEST | Update | - |
| article html file updated | 28 March 2019 23:48 CET | Update | - |
| article html file updated | 14 March 2018 15:09 CET | Update | - |
| article html file updated | 22 February 2018 11:37 CET | Update | - |
| article xml uploaded. | 22 February 2018 11:35 CET | Update | https://www.mdpi.com/2075-163X/8/2/70/xml |
| article pdf uploaded. | 22 February 2018 11:35 CET | Updated version of record | https://www.mdpi.com/2075-163X/8/2/70/pdf |
| article html file updated | 16 February 2018 07:32 CET | Original file | - |
| article xml uploaded. | 16 February 2018 07:30 CET | Original file | - |
| article pdf uploaded. | 16 February 2018 07:30 CET | Version of Record | https://www.mdpi.com/2075-163X/8/2/70/pdf-vor |
