| article html file updated | 8 February 2020 05:02 CET | Update | https://www.mdpi.com/1424-8247/10/2/44 |
| article html file updated | 24 September 2019 15:39 CEST | Update | N/A |
| article html file updated | 3 May 2019 23:32 CEST | Update | N/A |
| article html file updated | 27 October 2017 10:35 CEST | Update | N/A |
| article html file updated | 21 September 2017 11:30 CEST | Update | N/A |
| article html file updated | 29 June 2017 12:43 CEST | Update | N/A |
| article html file updated | 23 May 2017 03:38 CEST | Update | N/A |
| article html file updated | 4 May 2017 12:55 CEST | Original file | N/A |
| article xml uploaded. | 4 May 2017 12:54 CEST | Original file | https://www.mdpi.com/1424-8247/10/2/44/xml |
| article pdf uploaded. | 4 May 2017 12:54 CEST | Version of Record | https://www.mdpi.com/1424-8247/10/2/44/pdf |
