| article html file updated | 8 February 2020 07:00 CET | Update | https://www.mdpi.com/1424-8247/10/2/49 |
| article html file updated | 25 September 2019 01:51 CEST | Update | N/A |
| article html file updated | 3 May 2019 19:52 CEST | Update | N/A |
| article html file updated | 27 October 2017 10:36 CEST | Update | N/A |
| article html file updated | 21 September 2017 11:30 CEST | Update | N/A |
| article html file updated | 29 June 2017 12:41 CEST | Update | N/A |
| article html file updated | 30 May 2017 11:21 CEST | Original file | N/A |
| article xml uploaded. | 30 May 2017 11:20 CEST | Original file | https://www.mdpi.com/1424-8247/10/2/49/xml |
| article pdf uploaded. | 30 May 2017 11:20 CEST | Version of Record | https://www.mdpi.com/1424-8247/10/2/49/pdf |
