| article html file updated | 9 February 2020 05:56 CET | Update | https://www.mdpi.com/2075-163X/8/2/55 |
| article html file updated | 30 September 2019 15:15 CEST | Update | - |
| article html file updated | 1 May 2019 20:00 CEST | Update | - |
| article html file updated | 17 April 2019 19:07 CEST | Update | - |
| article html file updated | 28 March 2019 21:50 CET | Update | - |
| article html file updated | 14 March 2018 15:05 CET | Update | - |
| article html file updated | 22 February 2018 11:55 CET | Update | - |
| article xml uploaded. | 22 February 2018 11:53 CET | Update | https://www.mdpi.com/2075-163X/8/2/55/xml |
| article xml uploaded. | 22 February 2018 11:53 CET | Update | - |
| article pdf uploaded. | 22 February 2018 11:53 CET | Updated version of record | https://www.mdpi.com/2075-163X/8/2/55/pdf |
| article html file updated | 8 February 2018 10:02 CET | Original file | - |
| article xml uploaded. | 8 February 2018 10:00 CET | Update | - |
| article xml uploaded. | 8 February 2018 10:00 CET | Original file | - |
| article pdf uploaded. | 8 February 2018 10:00 CET | Version of Record | https://www.mdpi.com/2075-163X/8/2/55/pdf-vor |
