| article html file updated | 8 February 2020 15:51 CET | Update | https://www.mdpi.com/2079-9268/7/3/23 |
| article html file updated | 27 September 2019 01:40 CEST | Update | N/A |
| article html file updated | 3 May 2019 02:35 CEST | Update | N/A |
| article html file updated | 12 September 2017 11:42 CEST | Original file | N/A |
| article xml uploaded. | 12 September 2017 11:41 CEST | Original file | https://www.mdpi.com/2079-9268/7/3/23/xml |
| article pdf uploaded. | 12 September 2017 11:41 CEST | Updated version of record | https://www.mdpi.com/2079-9268/7/3/23/pdf |
| article pdf uploaded. | 11 September 2017 11:56 CEST | Version of Record | https://www.mdpi.com/2079-9268/7/3/23/pdf-vor |
