function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Cavallari, Daniel C. & Dornellas, Ana Paula S.', 5],
    ['Chen, Hui & He, Yue Ming & Wang, Chong Rui & Pan, Da', 1],
    ['Gittenberger, Edmund & Leda, Pema & Wangchuk, Jigme', 2],
    ['Grego, Jozef', 36],
    ['Mandic, Oleg & Kurečić, Tomislav & Neubauer, Thomas A.', 1],
    ['Neubauer, Thomas A. & Mandic, Oleg & Harzhauser, Mathias', 2],
    ['Salvador, Rodrigo B. & Silva, Fernanda S. & Bichuette, Maria E.', 2],
    ['Shi, Ling & Shu, Yu & Qiang, Chen & Xu, Ping & Tian, Ying', 1],
    ['Simone, Luiz Ricardo L. & Salvador, Rodrigo Brincalepe', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=51)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);