function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barrientos, Jose A. & Prieto, Carlos E. & Pina, Silvia', 1],
    ['Borges, Paulo A. V. & Gaspar, Clara', 4],
    ['Chen, Ssu-Li & Shih, Hsi-Te', 4],
    ['Cokendolpher, James C. & Lucio-Palacio, Cesar Raziel', 2],
    ['Crawford, Rodney L.', 1],
    ['Cruz, Paulo Vilela & Salles, Frederico Falcão & Hamada, Neusa', 1],
    ['Delfosse, Emmanuel & Iorio, Étienne', 2],
    ['Modebadze, Naia & Martens, Jochen & Snegovaya, Nataly', 24],
    ['Palencia, Lorena & Peñalver, Enrique & Prieto, Carlos E.', 3],
    ['Prieto, Carlos E. & Wijnhoven, Hay', 2],
    ['Tchemeris, Aleksey N.', 2],
    ['Tourinho, Ana Lúcia & Pinto-Da-Rocha, Ricardo', 7],
    ['Tourinho-Davis, Ana Lúcia', 5],
    ['Trilikauskas, L. A. & Sergeev, M. E.', 2],
    ['Tsurusaki, Nobuo', 2],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=68)',
    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);