| article html file updated | 9 February 2020 06:28 CET | Update | https://www.mdpi.com/2075-163X/8/2/64 |
| article html file updated | 30 September 2019 18:19 CEST | Update | - |
| article html file updated | 1 May 2019 18:49 CEST | Update | - |
| article html file updated | 17 April 2019 18:05 CEST | Update | - |
| article html file updated | 28 March 2019 22:57 CET | Update | - |
| article html file updated | 14 March 2018 15:07 CET | Update | - |
| article html file updated | 22 February 2018 11:14 CET | Update | - |
| article xml uploaded. | 22 February 2018 11:12 CET | Update | https://www.mdpi.com/2075-163X/8/2/64/xml |
| article pdf uploaded. | 22 February 2018 11:12 CET | Updated version of record | https://www.mdpi.com/2075-163X/8/2/64/pdf |
| article html file updated | 14 February 2018 06:42 CET | Original file | - |
| article xml uploaded. | 14 February 2018 06:41 CET | Update | - |
| article xml uploaded. | 14 February 2018 06:41 CET | Original file | - |
| article pdf uploaded. | 14 February 2018 06:41 CET | Updated version of record | https://www.mdpi.com/2075-163X/8/2/64/pdf-vor |
| article pdf uploaded. | 12 February 2018 17:57 CET | Version of Record | https://www.mdpi.com/2075-163X/8/2/64/pdf-vor |
