function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alvarez, Héctor Jaime Gasca & da, Claudio Ruy Vasconcelos', 32],
    ['Delgado, Leonardo & Mora-Aguilar, Eder F.', 12],
    ['Freese, Edwin L. & Veal, Doug A. & Lago, Paul K.', 12],
    ['Gasca-Álvarez, Héctor & Amat-García, Germán', 43],
    ['Hielkema, Auke J. & Hielkema, Meindert A.', 286],
    ['Hutchinson, Paul M. & Allsopp, Peter G.', 21],
    ['Jameson, Mary Liz & Drumont, Alain', 25],
    ['Jameson, Mary Liz & Wada, Kaoru', 28],
    ['López-García, Margarita M. & Deloya, Cuauhtémoc', 53],
    ['López-García, Margarita M. & Gasca-Álvarez, Héctor J.', 34],
    ['Neita-Moreno, Jhon C.', 14],
    ['Neita-Moreno, Jhon César & Alexander, Recursos Biológicos', 14],
    ['Ratcliffe, Brett C.', 37],
    ['Ratcliffe, Brett C. & Cave, Ronald D.', 38],
    ['Sanabria-García, Robinson & Gasca-Álvarez, Héctor Jaime', 13],
    ['Other (96)', 321]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=983)',
    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);