function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Backlund, Douglas C. & Marrone, Gary M.', 1],
    ['Barševskis, Arvīds & Janovska, Marina & Aksjuta, Kristīna', 2],
    ['Bouchard, Patrice & Bousquet, Yves & Davies, Anthony E.', 1],
    ['Geoffroy, Étienne Louis', 1],
    ['Ghahari, Hassan & Háva, Jiří & R, Aclypea & M, Dendroxena', 28],
    ['Mullins, Patricia L. & Riley, Edward G. & Oswald, John D.', 17],
    ['Márquez, Juan & Escoto-Rocha, Jaime & Goyenechea, Irene', 3],
    ['Oliva, Adriana', 2],
    ['Reyes-Hernández, José L. & Navarrete-Heredia, José L.', 2],
    ['Ruzicka, J & Schneider, J & Qubaiova, J & Nishikawa, M', 4],
    ['Rúžička, Jan & Schneider, Jan', 2],
    ['Růžička, Jan & Qubaiová, Jarin & Nishikawa, Masaaki', 11],
    ['Sommer, David & Růžička, Jan & Nishikawa, Masaaki', 5],
    ['Zaragoza-Caballero, Santiago & Rodríguez-Mirón, Geovanni M.', 2],
    ['Çiftçi, Derya & Růžička, Jan & Hasbenli, Abdullah & Şahin, Ülfet', 26],
    ['Other (12)', 12]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=119)',
    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);