| article html file updated | 8 February 2020 05:58 CET | Update | https://www.mdpi.com/2227-9059/5/2/23 |
| article html file updated | 24 September 2019 20:30 CEST | Update | N/A |
| article html file updated | 3 May 2019 21:50 CEST | Update | N/A |
| article html file updated | 29 June 2017 12:38 CEST | Update | N/A |
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| article html file updated | 23 May 2017 04:18 CEST | Update | N/A |
| article html file updated | 16 May 2017 12:23 CEST | Original file | N/A |
| article xml uploaded. | 16 May 2017 12:22 CEST | Original file | https://www.mdpi.com/2227-9059/5/2/23/xml |
| article pdf uploaded. | 16 May 2017 12:22 CEST | Version of Record | https://www.mdpi.com/2227-9059/5/2/23/pdf |
