| article html file updated | 7 February 2020 06:45 CET | Update | https://www.mdpi.com/2304-6732/3/2/16 |
| article html file updated | 5 May 2019 19:44 CEST | Update | - |
| article html file updated | 27 March 2019 00:53 CET | Update | - |
| article html file updated | 1 July 2016 13:31 CEST | Update | - |
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| article xml uploaded. | 6 May 2016 10:31 CEST | Update | https://www.mdpi.com/2304-6732/3/2/16/xml |
| article pdf uploaded. | 6 May 2016 10:31 CEST | Updated version of record | https://www.mdpi.com/2304-6732/3/2/16/pdf |
| article html file updated | 1 April 2016 13:05 CEST | Original file | - |
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