| article html file updated | 9 February 2020 07:13 CET | Update | https://www.mdpi.com/2073-4352/8/2/103 |
| article html file updated | 30 September 2019 22:46 CEST | Update | - |
| article html file updated | 1 May 2019 17:11 CEST | Update | - |
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| article html file updated | 14 March 2018 08:57 CET | Update | - |
| article html file updated | 22 February 2018 09:44 CET | Original file | - |
| article xml uploaded. | 22 February 2018 09:43 CET | Original file | https://www.mdpi.com/2073-4352/8/2/103/xml |
| article pdf uploaded. | 22 February 2018 09:43 CET | Version of Record | https://www.mdpi.com/2073-4352/8/2/103/pdf |
