| article html file updated | 7 February 2020 18:13 CET | Update | https://www.mdpi.com/2079-4983/7/4/29 |
| article html file updated | 22 September 2019 06:00 CEST | Update | N/A |
| article html file updated | 4 May 2019 22:07 CEST | Update | N/A |
| article html file updated | 11 December 2018 08:39 CET | Update | N/A |
| article html file updated | 29 December 2016 11:47 CET | Update | N/A |
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| article xml uploaded. | 22 November 2016 11:12 CET | Update | https://www.mdpi.com/2079-4983/7/4/29/xml |
| article pdf uploaded. | 22 November 2016 11:12 CET | Updated version of record | https://www.mdpi.com/2079-4983/7/4/29/pdf |
| article html file updated | 18 November 2016 09:26 CET | Original file | N/A |
| article xml uploaded. | 18 November 2016 09:25 CET | Original file | N/A |
| article pdf uploaded. | 18 November 2016 09:25 CET | Version of Record | https://www.mdpi.com/2079-4983/7/4/29/pdf-vor |
