| article html file updated | 8 February 2020 17:00 CET | Update | https://www.mdpi.com/2305-6320/4/4/70 |
| article html file updated | 27 September 2019 08:08 CEST | Update | N/A |
| article html file updated | 3 May 2019 00:23 CEST | Update | N/A |
| article html file updated | 2 January 2018 20:47 CET | Update | N/A |
| article html file updated | 23 September 2017 11:40 CEST | Original file | N/A |
| article xml uploaded. | 23 September 2017 11:39 CEST | Original file | https://www.mdpi.com/2305-6320/4/4/70/xml |
| article pdf uploaded. | 23 September 2017 11:39 CEST | Version of Record | https://www.mdpi.com/2305-6320/4/4/70/pdf |
