function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arraiano-Castilho, Ricardo & Silva, Ana Cristina', 5],
    ['Cao, Xiaolei & Yao, Zhaoqun & Zhao, Sifeng & Zhang, Lu', 1],
    ['Cui, Yang-Yang & Yang, Zhu L. & Cai, Qing', 1],
    ['Filippova, Nina & Zvyagina, Elena & Rudykina, Elena', 1],
    ['Fraiture, Andre & Amalfi, Mario & Raspe, Olivier', 2],
    ['Hosen, Md. Iqbal & Mehmood, Tahir & Das, Kanad', 3],
    ['Jabeen, Sana & Kiran, Munazza & Khan, Junaid & Ahmad, Ishtiaq', 1],
    ['Jarvis, Charlie', 1],
    ['Karunarathna, Samantha C. & Priyashantha, K Hasith', 81],
    ['Kumar, Anil & Verma, Komal & Ghosh, Aniket & Mehmood, Tahir', 1],
    ['Lambert, Herman & Fortin, Guy & Labbe, Roland', 2],
    ['Liu, Xiaoliang & Bau, Tolgor & Yang, Zhu L.', 1],
    ['Liu, Yuan S. & Kumla, Jaturong & Suwannarach, Nakarin', 4],
    ['Mu, Man & Huang, Hong-Yan & Zhang, Wen-Hao & Tang, Li-Ping', 2],
    ['Zambrano-Forero, Cristian J & Davila-Giraldo, Lina R', 9],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=117)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);