function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Araújo, Marcel Santos De & Feres, Reinaldo José Fazzio', 1],
    ['Da-Costa, Tairis & Rodighero, Luana Fabrina', 1],
    ['Darbemamieh, Maryam & Kaźmierski, Andrzej', 4],
    ['Ebrahimi, Najmeh & Noei, Javad', 1],
    ['Khanjani, M. & Ueckermann, E. A.', 2],
    ['KhaustovK, Alexander A.', 20],
    ['Mondin, Alexandre De Souza & Nuvoloni, Felipe Micali', 5],
    ['Ripka, Geza & Laniecka, Izabella & Kazmierski, Andrzej', 4],
    ['Silva, Guilherme Liberato Da & Metzelthin, Maicon Henrique', 1],
    ['Sousa, J. M. de & Gondim Jr., M. G. C. & Lofego, A. C.', 2],
    ['Willmann, C.', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=45)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);