| article html file updated | 8 February 2020 10:58 CET | Update | https://www.mdpi.com/2079-9292/6/3/52 |
| article html file updated | 25 September 2019 22:35 CEST | Update | N/A |
| article html file updated | 3 May 2019 12:27 CEST | Update | N/A |
| article html file updated | 30 September 2017 07:49 CEST | Update | N/A |
| article html file updated | 13 July 2017 16:00 CEST | Update | N/A |
| article html file updated | 13 July 2017 15:58 CEST | Update | N/A |
| article html file updated | 13 July 2017 15:58 CEST | Original file | N/A |
| article xml uploaded. | 13 July 2017 15:57 CEST | Original file | https://www.mdpi.com/2079-9292/6/3/52/xml |
| article pdf uploaded. | 13 July 2017 15:57 CEST | Version of Record | https://www.mdpi.com/2079-9292/6/3/52/pdf |
