| article html file updated | 11 February 2020 16:31 CET | Update | https://www.mdpi.com/2220-9964/8/2/92 |
| article html file updated | 15 October 2019 02:45 CEST | Update | - |
| article html file updated | 26 April 2019 15:47 CEST | Update | - |
| article html file updated | 12 April 2019 11:31 CEST | Update | - |
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| article html file updated | 1 March 2019 11:30 CET | Update | - |
| article html file updated | 1 March 2019 02:50 CET | Update | - |
| article html file updated | 16 February 2019 10:44 CET | Original file | - |
| article pdf uploaded. | 16 February 2019 10:41 CET | Updated version of record | https://www.mdpi.com/2220-9964/8/2/92/pdf |
| article xml uploaded. | 16 February 2019 10:41 CET | Update | https://www.mdpi.com/2220-9964/8/2/92/xml |
| article xml file uploaded | 16 February 2019 10:41 CET | Update | - |
| article pdf uploaded. | 16 February 2019 10:00 CET | Version of Record | - |
| article xml uploaded. | 16 February 2019 10:00 CET | Update | - |
| article xml file uploaded | 16 February 2019 10:00 CET | Original file | - |
