| article html file updated | 8 February 2020 09:04 CET | Update | https://www.mdpi.com/2079-9276/6/3/23 |
| article html file updated | 25 September 2019 12:31 CEST | Update | N/A |
| article html file updated | 3 May 2019 15:59 CEST | Update | N/A |
| article html file updated | 6 October 2017 05:11 CEST | Update | N/A |
| article html file updated | 23 June 2017 15:46 CEST | Original file | N/A |
| article xml uploaded. | 23 June 2017 15:45 CEST | Original file | https://www.mdpi.com/2079-9276/6/3/23/xml |
| article pdf uploaded. | 23 June 2017 15:45 CEST | Version of Record | https://www.mdpi.com/2079-9276/6/3/23/pdf |
