function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bezděk, Aleš & Hájek, Jiří & Ascr, Biology Centre', 2],
    ['Cano, Enio B.', 3],
    ['Freese, Edwin L. & Veal, Doug A. & Lago, Paul K.', 40],
    ['García-López, Alejandra & Morón, Miguel Ángel & Micó, Estefanía', 2],
    ['Gasca-Álvarez, Héctor Jaime & Deloya, Cuauhtémoc', 2],
    ['Hielkema, Auke J. & Hielkema, Meindert A.', 13],
    ['Morón, Miguel Ángel', 8],
    ['Morón, Miguel-Angel & Riley, Edward G.', 3],
    ['Morón, Miguel-Ángel', 3],
    ['Morón, Miguel-Ángel & Woodruff, Robert E.', 3],
    ['Pérez-Hernández, Cisteil Xinum', 19],
    ['Schnepp, Kyle E.', 4],
    ['Serrano, Annery & Morón, Miguel Ángel', 4],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 2],
    ['Vallejo, Luís Fernando & Wolff, Martha', 37],
    ['Other (9)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=155)',
    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);