function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bohn, Horst', 57],
    ['Deng, Wenbo & Liu, Yuchao & Wang, Zongqing & Che, Yanli', 11],
    ['Evangelista, Dominic A. & Sylvain, Erdine & Mendoza, Ciara Mae', 10],
    ['Gupta, Sunil Kumar & Chandra, Kailash', 71],
    ['Hristov, Georgi H. & Chobanov, Dragan P.', 17],
    ['Iglesias, Monica Sandra', 47],
    ['KNEBELSBERGER, THOMAS & MILLER, MICHAEL A.', 17],
    ['Lopes, Sonia Maria & Oliveira, Edivar Heeren De', 12],
    ['Lu, Wenhua & Valentine, Barry D. & Perez-Gelabert, Daniel E.', 13],
    ['Pellens, Roseli & Grandcolas, Philippe', 55],
    ['Roth, Louis M.', 15],
    ['VIDLIČKA, ĽUBOMÍR', 62],
    ['Walker, Francis', 19],
    ['Wang, Zongqing & Che, Yanli', 18],
    ['Zhang, Sainan & Liu, Xianwei & Li, Kai', 15],
    ['Other (44)', 168]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=607)',
    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);