RESEARCH METHODOLOGY
2.1.1 SECONDARY DATA
• The secondary sources referred to for this research study include government sources such as World Health Organization ( WHO ), Organization for Economic Co-operation and Development ( OECD ), the World Bank , and the U . S . Census Bureau , among others ; corporate filings ( annual reports , SEC filings , investor presentations , and financial statements ); and trade , business , and professional associations . Secondary data was collected and analyzed to arrive at the overall market size of the global human insulin market , which was validated by primary research .
2.1.1.1 KEY DATA FROM SECONDARY SOURCES
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2.1.2 PRIMARY DATA
• Extensive primary research was conducted after acquiring basic knowledge on the global human insulin market scenario through secondary research . Several primary interviews were conducted with market experts from both demand ( hospitals , clinics , healthcare facility providers , trauma centers , and research organizations ) and supply sides ( human insulin product manufacturers , distributors , and marketing companies ) across four major regions — North America , Europe , Asia-Pacific , and the Rest of the World ( Latin America , the Middle East , and Africa ). Approximately 35 % and 65 % primary interviews were conducted from the demand- and supply-side participants , respectively . This primary data was collected through questionnaires , mails , and telephonic interviews .
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