function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bezděk, Aleš & Hájek, Jiří & Ascr, Biology Centre', 1],
    ['Delgado, Leonardo & Mora-Aguilar, Eder F.', 9],
    ['Freese, Edwin L. & Veal, Doug A. & Lago, Paul K.', 4],
    ['Gasca-Alvarez, Héctor Jaime', 3],
    ['Gasca-Álvarez, Héctor & Amat-García, Germán', 1],
    ['Grossi, Paschoal C. & Santos, Mariana D. & Almeida, Lúcia M.', 2],
    ['Hielkema, Auke J. & Hielkema, Meindert A.', 101],
    ['Joly, Luis J.', 9],
    ['Moore, Matthew R. & Cave, Ronald D. & Branham, Marc A.', 361],
    ['Mora-Aguilar, Eder F. & Delgado, Leonardo', 2],
    ['Neita-Moreno, Jhon C.', 14],
    ['Paz, Fernando & Ratcliffe, Brett C. & Figueroa, Luis', 3],
    ['Pérez-Hernández, Cisteil Xinum', 2],
    ['Ratcliffe, Brett C.', 12],
    ['Ratcliffe, Brett C. & Cave, Ronald D.', 4],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=533)',
    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);