| article html file updated | 8 February 2020 06:58 CET | Update | https://www.mdpi.com/2079-9268/7/2/14 |
| article html file updated | 25 September 2019 01:40 CEST | Update | N/A |
| article html file updated | 3 May 2019 19:56 CEST | Update | N/A |
| article html file updated | 9 June 2017 12:20 CEST | Original file | N/A |
| article xml uploaded. | 9 June 2017 12:19 CEST | Original file | https://www.mdpi.com/2079-9268/7/2/14/xml |
| article pdf uploaded. | 9 June 2017 12:19 CEST | Updated version of record | https://www.mdpi.com/2079-9268/7/2/14/pdf |
| article pdf uploaded. | 29 May 2017 10:46 CEST | Version of Record | https://www.mdpi.com/2079-9268/7/2/14/pdf-vor |
