function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Borges, Paulo A. V. & Gaspar, Clara', 2],
    ['Brito, Rosângela & Gonçalves, Gislene L. & Vargas, Hector A.', 1],
    ['Brito, Rosângela & Lopez-Vaamonde, Carlos', 28],
    ['Cerdena, Jose & Farfan, Jackie & Vargas, Hector A.', 1],
    ['Cerdeña, José & Farfán, Jackie & Vargas, Héctor A.', 2],
    ['Davis, Donald R. & Wagner, David L.', 4],
    ['Fischer, Thilo C.', 1],
    ['Fochezato, Júlia & Brito, Rosângela', 1],
    ['Kawahara, Akito Y. & Nishida, Kenji & Davis, Donald R.', 3],
    ['Kirichenko, Natalia & Triberti, Paolo & Akulov, Evgeniy', 1],
    ['Kirichenko, Natalia & Triberti, Paolo & Kobayashi, Shigeki', 4],
    ['Komal, J. & Shashank, P. R. & Sondhi, Sanjay & Madan, Sohail', 1],
    ['Prins, Jurate De & Brito, Rosângela', 18],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 2],
    ['Xian, Chunlan & Leong, Chi Man & Luo, Jiuyang & Jia, Fenglong', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=70)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);