| article html file updated | 8 February 2020 22:06 CET | Update | https://www.mdpi.com/2079-6412/7/12/211 |
| article html file updated | 28 September 2019 17:27 CEST | Update | N/A |
| article html file updated | 2 May 2019 12:58 CEST | Update | N/A |
| article html file updated | 18 April 2019 10:36 CEST | Update | N/A |
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| article html file updated | 24 November 2017 09:45 CET | Original file | N/A |
| article xml uploaded. | 24 November 2017 09:44 CET | Update | https://www.mdpi.com/2079-6412/7/12/211/xml |
| article xml uploaded. | 24 November 2017 09:44 CET | Original file | N/A |
| article pdf uploaded. | 24 November 2017 09:44 CET | Version of Record | https://www.mdpi.com/2079-6412/7/12/211/pdf |