| article html file updated | 9 February 2020 06:57 CET | Update | https://www.mdpi.com/2075-5309/8/2/32 |
| article html file updated | 30 September 2019 21:09 CEST | Update | - |
| article html file updated | 1 May 2019 17:47 CEST | Update | - |
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| article html file updated | 28 March 2019 23:58 CET | Update | - |
| article html file updated | 14 March 2018 11:21 CET | Update | - |
| article html file updated | 22 February 2018 11:23 CET | Original file | - |
| article xml uploaded. | 22 February 2018 11:21 CET | Original file | https://www.mdpi.com/2075-5309/8/2/32/xml |
| article pdf uploaded. | 22 February 2018 11:21 CET | Updated version of record | https://www.mdpi.com/2075-5309/8/2/32/pdf |
| article pdf uploaded. | 17 February 2018 05:20 CET | Version of Record | https://www.mdpi.com/2075-5309/8/2/32/pdf-vor |
