| article html file updated | 8 February 2020 04:15 CET | Update | https://www.mdpi.com/2075-163X/7/4/63 |
| article html file updated | 24 September 2019 11:34 CEST | Update | - |
| article html file updated | 4 May 2019 00:59 CEST | Update | - |
| article html file updated | 28 April 2017 10:04 CEST | Update | - |
| article html file updated | 25 April 2017 11:32 CEST | Update | - |
| article xml uploaded. | 25 April 2017 11:31 CEST | Update | https://www.mdpi.com/2075-163X/7/4/63/xml |
| article pdf uploaded. | 25 April 2017 11:31 CEST | Updated version of record | https://www.mdpi.com/2075-163X/7/4/63/pdf |
| article html file updated | 24 April 2017 12:58 CEST | Original file | - |
