| article html file updated | 8 February 2020 04:09 CET | Update | https://www.mdpi.com/2075-163X/7/4/64 |
| article html file updated | 24 September 2019 11:01 CEST | Update | N/A |
| article html file updated | 4 May 2019 01:10 CEST | Update | N/A |
| article html file updated | 28 April 2017 10:04 CEST | Update | N/A |
| article html file updated | 27 April 2017 14:32 CEST | Update | N/A |
| article xml uploaded. | 27 April 2017 14:30 CEST | Update | https://www.mdpi.com/2075-163X/7/4/64/xml |
| article pdf uploaded. | 27 April 2017 14:30 CEST | Updated version of record | https://www.mdpi.com/2075-163X/7/4/64/pdf |
| article html file updated | 25 April 2017 11:00 CEST | Update | N/A |
| article pdf uploaded. | 25 April 2017 10:59 CEST | Updated version of record | https://www.mdpi.com/2075-163X/7/4/64/pdf-vor |
| article html file updated | 22 April 2017 05:42 CEST | Original file | N/A |
| article pdf uploaded. | 22 April 2017 05:41 CEST | Version of Record | https://www.mdpi.com/2075-163X/7/4/64/pdf-vor |
