| article html file updated | 8 February 2020 04:30 CET | Update | https://www.mdpi.com/2075-4701/7/5/156 |
| article html file updated | 24 September 2019 12:51 CEST | Update | N/A |
| article html file updated | 4 May 2019 00:32 CEST | Update | N/A |
| article html file updated | 31 May 2017 10:05 CEST | Update | N/A |
| article html file updated | 27 April 2017 12:05 CEST | Original file | N/A |
| article xml uploaded. | 27 April 2017 12:04 CEST | Original file | https://www.mdpi.com/2075-4701/7/5/156/xml |
| article pdf uploaded. | 27 April 2017 12:04 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/5/156/pdf |
