| article html file updated | 8 February 2020 23:40 CET | Update | https://www.mdpi.com/2079-9721/5/4/34 |
| article html file updated | 29 September 2019 02:44 CEST | Update | N/A |
| article html file updated | 2 May 2019 09:29 CEST | Update | N/A |
| article html file updated | 18 April 2019 07:12 CEST | Update | N/A |
| article html file updated | 2 January 2018 20:44 CET | Update | N/A |
| article html file updated | 11 December 2017 06:44 CET | Update | N/A |
| article xml uploaded. | 11 December 2017 06:43 CET | Update | https://www.mdpi.com/2079-9721/5/4/34/xml |
| article xml uploaded. | 11 December 2017 06:43 CET | Update | N/A |
| article pdf uploaded. | 11 December 2017 06:43 CET | Updated version of record | https://www.mdpi.com/2079-9721/5/4/34/pdf |
| article html file updated | 10 December 2017 09:36 CET | Original file | N/A |
| article xml uploaded. | 10 December 2017 09:35 CET | Update | N/A |
| article xml uploaded. | 10 December 2017 09:35 CET | Original file | N/A |
| article pdf uploaded. | 10 December 2017 09:35 CET | Version of Record | https://www.mdpi.com/2079-9721/5/4/34/pdf-vor |
