function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Candek, Klemen & Gregoric, Matjaz & Kostanjsek, Rok', 18],
    ['Castanheira, Pedro De Souza & Baptista, Renner Luiz Cerqueira', 9],
    ['Castanheira, Pedro de Souza & Baptista, Renner Luiz Cerqueira', 20],
    ['Dean, David Allen', 16],
    ['Deltshev, Christo & Komnenov, Marjan & Blagoev, Gergin', 24],
    ['Dimitrov, Dimitar & Hormiga, Gustavo', 24],
    ['Jimmy Cabra-García & Antonio D. Brescovit', 29],
    ['Marusik, Yu. M. & Larsen, N.', 11],
    ['Nogueira, André A. & Pena-Barbosa, João P. P.', 14],
    ['Paschetta, Mauro & Christille, Claretta & Marguerettaz, Fabio', 11],
    ['Salgueiro-Sepúlveda, F. Javier & Álvarez-Padilla, Fernando', 9],
    ['Wan, Jin-Long & Peng, Xian-Jin', 12],
    ['Álvarez-Padilla, Fernando', 11],
    ['Álvarez-Padilla, Fernando & Hormiga, Gustavo', 17],
    ['Álvarez-Padilla, Fernando & Kallal, Robert J. & Hormiga, Gustavo', 24],
    ['Other (67)', 218]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=467)',
    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);