| article html file updated | 8 February 2020 02:19 CET | Update | https://www.mdpi.com/1424-8247/10/2/34 |
| article html file updated | 24 September 2019 00:36 CEST | Update | N/A |
| article html file updated | 4 May 2019 04:54 CEST | Update | N/A |
| article html file updated | 27 October 2017 10:34 CEST | Update | N/A |
| article html file updated | 21 September 2017 11:29 CEST | Update | N/A |
| article html file updated | 29 June 2017 12:42 CEST | Update | N/A |
| article html file updated | 28 March 2017 12:00 CEST | Original file | N/A |
| article xml uploaded. | 28 March 2017 11:30 CEST | Original file | https://www.mdpi.com/1424-8247/10/2/34/xml |
| article pdf uploaded. | 28 March 2017 11:30 CEST | Updated version of record | https://www.mdpi.com/1424-8247/10/2/34/pdf |
| article pdf uploaded. | 27 March 2017 09:15 CEST | Version of Record | https://www.mdpi.com/1424-8247/10/2/34/pdf-vor |