All icons were obtained from thenounproject.com and are all licensed under Creative Commons (CC).

The attributions are as follows:

• Screen door yurr van the Noun Project
• Activity door The Icon Z van the Noun Project
• Conversation door Adrien Coquet van the Noun Project
• Children door Kevin van the Noun Project
• e-mail door Bhuvan van the Noun Project
• Location door lakonicon van the Noun Project
• Reporting door Joshua Mormann van m the Noun Project
• Procedure door Kukuh Wachy Bias van the Noun Project
• Paper door Eucalyp van the Noun Project