function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alves, Tayná & Clarkson, Bruno & Lima, Lucas Ramos Costa', 1],
    ['Angus, Robert B & Sadílek, David & Shaarawi, Fatma', 1],
    ['Bird, Matthew S. & Bilton, David T. & Perissinotto, Renzo', 4],
    ['Darilmaz, Mustafa C. & Ahmed, Zubair', 2],
    ['Darilmaz, Mustafa C. & İncekara, Ümit', 8],
    ['Dong, Xue & Bian, Dongju', 9],
    ['Freitag, Hendrik', 2],
    ['Jia, Fenglong & Tang, Yu-dan', 7],
    ['Minoshima, Yûsuke & Hayashi, Masakazu', 5],
    ['Salah, Mohamed & Régil Cueto, Juan Antonio', 3],
    ['Short, Andrew E. Z. & Fikáček, Martin', 7],
    ['Short, Andrew Edward Z. & Girón, Jennifer C.', 11],
    ['Takiya, Daniela Maeda & Santos, Allan Paulo Moreira', 10],
    ['Xian, Chunlan & Leong, Chi Man & Luo, Jiuyang & Jia, Fenglong', 5],
    ['Yang, Zhenming & Jia, Fenglong & Tang, Yudan & Jiang, Lu', 11],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=92)',
    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);