function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alarie, Yves & Michat, Mariano C. & Watanabe, Kohei', 9],
    ['Darilmaz, Mustafa C. & Ahmed, Zubair', 4],
    ['Hajek, Jiri & Shaverdo, Helena & Hendrich, Lars & Balke, Michael', 10],
    ['Hendrich, Lars & Shaverdo, Helena & Hajek, Jiri & Balke, Michael', 9],
    ['Hájek, Jiří & Reiter, Antonín', 3],
    ['Jiang, Zhuo-Yin & Zhao, Shuang & Yang, Zhen-Yu & Jia, Feng-Long', 24],
    ['Keller, Oliver & Schnepp, Kyle E. & Ashman, Krystal L.', 3],
    ['Manuel, Michaël & Deler-Hernández, Albert & Megna, Yoandri S.', 5],
    ['Megna, Yoandri S. & Epler, John H.', 14],
    ['Perissinotto, Renzo & Bird, Matthew S. & Bilton, David T.', 3],
    ['Ramahandrison, Andriamirado Tahina & Rakouth, Bakolimalala', 7],
    ['Ranarilalatiana, Tolotra', 16],
    ['Ranarilalatiana, Tolotra & Bergsten, Johannes', 4],
    ['Sheth, Sayali D. & Ghate, Hemant V. & Hájek, Jiří', 14],
    ['Xian, Chunlan & Leong, Chi Man & Luo, Jiuyang & Jia, Fenglong', 5],
    ['Other (10)', 12]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=142)',
    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);