| article html file updated | 9 February 2020 07:27 CET | Update | https://www.mdpi.com/2220-9964/7/2/76 |
| article html file updated | 1 October 2019 00:08 CEST | Update | - |
| article html file updated | 1 May 2019 16:42 CEST | Update | - |
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| article html file updated | 14 March 2018 14:58 CET | Update | - |
| article html file updated | 24 February 2018 07:14 CET | Original file | - |
| article xml uploaded. | 24 February 2018 07:13 CET | Original file | https://www.mdpi.com/2220-9964/7/2/76/xml |
| article pdf uploaded. | 24 February 2018 07:13 CET | Version of Record | https://www.mdpi.com/2220-9964/7/2/76/pdf |
