| article html file updated | 9 February 2020 00:52 CET | Update | https://www.mdpi.com/2227-7390/6/1/1 |
| article html file updated | 2 May 2019 06:51 CEST | Update | N/A |
| article html file updated | 18 April 2019 04:45 CEST | Update | N/A |
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| article html file updated | 1 February 2018 09:24 CET | Update | N/A |
| article html file updated | 26 December 2017 07:17 CET | Update | N/A |
| article xml uploaded. | 26 December 2017 07:16 CET | Update | https://www.mdpi.com/2227-7390/6/1/1/xml |
| article pdf uploaded. | 26 December 2017 07:16 CET | Updated version of record | https://www.mdpi.com/2227-7390/6/1/1/pdf |
| article html file updated | 22 December 2017 09:17 CET | Update | N/A |
| article xml uploaded. | 22 December 2017 09:16 CET | Update | N/A |
| article html file updated | 22 December 2017 09:09 CET | Original file | N/A |
| article xml uploaded. | 22 December 2017 09:08 CET | Update | N/A |
| article xml uploaded. | 22 December 2017 09:08 CET | Original file | N/A |
| article pdf uploaded. | 22 December 2017 09:08 CET | Version of Record | https://www.mdpi.com/2227-7390/6/1/1/pdf-vor |
